20785641660

素因数分解:

$2^2\times 3^9\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:459

約数の個数: 480

約数和(自身を含む): 78963709440

約数和(自身を除く): 58178067780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 81, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 162, 171, 180, 189, 190, 210, 228, 243, 252, 266, 270, 285, 315, 324, 342, 378, 380, 397, 399, 405, 420, 486, 513, 532, 540, 567, 570, 630, 665, 684, 729, 756, 794, 798, 810, 855, 945, 972, 1026, 1134, 1140, 1191, 1197, 1215, 1260, 1330, 1458, 1539, 1588, 1596, 1620, 1701, 1710, 1890, 1985, 1995, 2052, 2187, 2268, 2382, 2394, 2430, 2565, 2660, 2779, 2835, 2916, 3078, 3402, 3420, 3573, 3591, 3645, 3780, 3970, 3990, 4374, 4617, 4764, 4788, 4860, 5103, 5130, 5558, 5670, 5955, 5985, 6156, 6561, 6804, 7146, 7182, 7290, 7543, 7695, 7940, 7980, 8337, 8505, 8748, 9234, 10206, 10260, 10719, 10773, 10935, 11116, 11340, 11910, 11970, 13122, 13851, 13895, 14292, 14364, 14580, 15086, 15309, 15390, 16674, 17010, 17865, 17955, 18468, 19683, 20412, 21438, 21546, 21870, 22629, 23085, 23820, 23940, 25011, 25515, 26244, 27702, 27790, 30172, 30618, 30780, 32157, 32319, 32805, 33348, 34020, 35730, 35910, 37715, 39366, 41553, 41685, 42876, 43092, 43740, 45258, 45927, 46170, 50022, 51030, 52801, 53595, 53865, 55404, 55580, 61236, 64314, 64638, 65610, 67887, 69255, 71460, 71820, 75033, 75430, 76545, 78732, 83106, 83370, 90516, 91854, 92340, 96471, 96957, 98415, 100044, 102060, 105602, 107190, 107730, 113145, 124659, 125055, 128628, 129276, 131220, 135774, 137781, 138510, 150066, 150860, 153090, 158403, 160785, 161595, 166212, 166740, 183708, 192942, 193914, 196830, 203661, 207765, 211204, 214380, 215460, 225099, 226290, 229635, 249318, 250110, 264005, 271548, 275562, 277020, 289413, 290871, 300132, 306180, 316806, 321570, 323190, 339435, 373977, 375165, 385884, 387828, 393660, 407322, 415530, 450198, 452580, 459270, 475209, 482355, 484785, 498636, 500220, 528010, 551124, 578826, 581742, 610983, 623295, 633612, 643140, 646380, 675297, 678870, 688905, 747954, 750330, 792015, 814644, 831060, 868239, 872613, 900396, 918540, 950418, 964710, 969570, 1018305, 1056020, 1125495, 1157652, 1163484, 1221966, 1246590, 1350594, 1357740, 1377810, 1425627, 1447065, 1454355, 1495908, 1500660, 1584030, 1736478, 1745226, 1832949, 1869885, 1900836, 1929420, 1939140, 2025891, 2036610, 2250990, 2376045, 2443932, 2493180, 2604717, 2617839, 2701188, 2755620, 2851254, 2894130, 2908710, 3054915, 3168060, 3376485, 3472956, 3490452, 3665898, 3739770, 4051782, 4073220, 4276881, 4341195, 4363065, 4501980, 4752090, 5209434, 5235678, 5498847, 5702508, 5788260, 5817420, 6077673, 6109830, 6752970, 7128135, 7331796, 7479540, 7814151, 8103564, 8553762, 8682390, 8726130, 9164745, 9504180, 10129455, 10418868, 10471356, 10997694, 12155346, 12219660, 12830643, 13023585, 13089195, 13505940, 14256270, 15628302, 16496541, 17107524, 17364780, 17452260, 18233019, 18329490, 20258910, 21384405, 21995388, 24310692, 25661286, 26047170, 26178390, 27494235, 28512540, 30388365, 31256604, 32993082, 36466038, 36658980, 38491929, 39070755, 40517820, 42768810, 49489623, 51322572, 52094340, 52356780, 54699057, 54988470, 60776730, 64153215, 65986164, 72932076, 76983858, 78141510, 82482705, 85537620, 91165095, 98979246, 109398114, 109976940, 115475787, 121553460, 128306430, 148468869, 153967716, 156283020, 164965410, 182330190, 192459645, 197958492, 218796228, 230951574, 247448115, 256612860, 273495285, 296937738, 329930820, 346427361, 364660380, 384919290, 461903148, 494896230, 546990570, 577378935, 593875476, 692854722, 742344345, 769838580, 989792460, 1039282083, 1093981140, 1154757870, 1385709444, 1484688690, 1732136805, 2078564166, 2309515740, 2969377380, 3464273610, 4157128332, 5196410415, 6928547220, 10392820830, 20785641660]

約数ペア:

[(1, 20785641660), (2, 10392820830), (3, 6928547220), (4, 5196410415), (5, 4157128332), (6, 3464273610), (7, 2969377380), (9, 2309515740), (10, 2078564166), (12, 1732136805), (14, 1484688690), (15, 1385709444), (18, 1154757870), (19, 1093981140), (20, 1039282083), (21, 989792460), (27, 769838580), (28, 742344345), (30, 692854722), (35, 593875476), (36, 577378935), (38, 546990570), (42, 494896230), (45, 461903148), (54, 384919290), (57, 364660380), (60, 346427361), (63, 329930820), (70, 296937738), (76, 273495285), (81, 256612860), (84, 247448115), (90, 230951574), (95, 218796228), (105, 197958492), (108, 192459645), (114, 182330190), (126, 164965410), (133, 156283020), (135, 153967716), (140, 148468869), (162, 128306430), (171, 121553460), (180, 115475787), (189, 109976940), (190, 109398114), (210, 98979246), (228, 91165095), (243, 85537620), (252, 82482705), (266, 78141510), (270, 76983858), (285, 72932076), (315, 65986164), (324, 64153215), (342, 60776730), (378, 54988470), (380, 54699057), (397, 52356780), (399, 52094340), (405, 51322572), (420, 49489623), (486, 42768810), (513, 40517820), (532, 39070755), (540, 38491929), (567, 36658980), (570, 36466038), (630, 32993082), (665, 31256604), (684, 30388365), (729, 28512540), (756, 27494235), (794, 26178390), (798, 26047170), (810, 25661286), (855, 24310692), (945, 21995388), (972, 21384405), (1026, 20258910), (1134, 18329490), (1140, 18233019), (1191, 17452260), (1197, 17364780), (1215, 17107524), (1260, 16496541), (1330, 15628302), (1458, 14256270), (1539, 13505940), (1588, 13089195), (1596, 13023585), (1620, 12830643), (1701, 12219660), (1710, 12155346), (1890, 10997694), (1985, 10471356), (1995, 10418868), (2052, 10129455), (2187, 9504180), (2268, 9164745), (2382, 8726130), (2394, 8682390), (2430, 8553762), (2565, 8103564), (2660, 7814151), (2779, 7479540), (2835, 7331796), (2916, 7128135), (3078, 6752970), (3402, 6109830), (3420, 6077673), (3573, 5817420), (3591, 5788260), (3645, 5702508), (3780, 5498847), (3970, 5235678), (3990, 5209434), (4374, 4752090), (4617, 4501980), (4764, 4363065), (4788, 4341195), (4860, 4276881), (5103, 4073220), (5130, 4051782), (5558, 3739770), (5670, 3665898), (5955, 3490452), (5985, 3472956), (6156, 3376485), (6561, 3168060), (6804, 3054915), (7146, 2908710), (7182, 2894130), (7290, 2851254), (7543, 2755620), (7695, 2701188), (7940, 2617839), (7980, 2604717), (8337, 2493180), (8505, 2443932), (8748, 2376045), (9234, 2250990), (10206, 2036610), (10260, 2025891), (10719, 1939140), (10773, 1929420), (10935, 1900836), (11116, 1869885), (11340, 1832949), (11910, 1745226), (11970, 1736478), (13122, 1584030), (13851, 1500660), (13895, 1495908), (14292, 1454355), (14364, 1447065), (14580, 1425627), (15086, 1377810), (15309, 1357740), (15390, 1350594), (16674, 1246590), (17010, 1221966), (17865, 1163484), (17955, 1157652), (18468, 1125495), (19683, 1056020), (20412, 1018305), (21438, 969570), (21546, 964710), (21870, 950418), (22629, 918540), (23085, 900396), (23820, 872613), (23940, 868239), (25011, 831060), (25515, 814644), (26244, 792015), (27702, 750330), (27790, 747954), (30172, 688905), (30618, 678870), (30780, 675297), (32157, 646380), (32319, 643140), (32805, 633612), (33348, 623295), (34020, 610983), (35730, 581742), (35910, 578826), (37715, 551124), (39366, 528010), (41553, 500220), (41685, 498636), (42876, 484785), (43092, 482355), (43740, 475209), (45258, 459270), (45927, 452580), (46170, 450198), (50022, 415530), (51030, 407322), (52801, 393660), (53595, 387828), (53865, 385884), (55404, 375165), (55580, 373977), (61236, 339435), (64314, 323190), (64638, 321570), (65610, 316806), (67887, 306180), (69255, 300132), (71460, 290871), (71820, 289413), (75033, 277020), (75430, 275562), (76545, 271548), (78732, 264005), (83106, 250110), (83370, 249318), (90516, 229635), (91854, 226290), (92340, 225099), (96471, 215460), (96957, 214380), (98415, 211204), (100044, 207765), (102060, 203661), (105602, 196830), (107190, 193914), (107730, 192942), (113145, 183708), (124659, 166740), (125055, 166212), (128628, 161595), (129276, 160785), (131220, 158403), (135774, 153090), (137781, 150860), (138510, 150066)]