78560820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:100

約数の個数: 288

約数和(自身を含む): 286755840

約数和(自身を除く): 208195020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 31, 36, 38, 39, 45, 52, 54, 57, 60, 62, 65, 76, 78, 90, 93, 95, 108, 114, 117, 124, 130, 135, 155, 156, 171, 180, 186, 190, 195, 228, 234, 247, 260, 270, 279, 285, 310, 342, 351, 361, 372, 380, 390, 403, 465, 468, 494, 513, 540, 558, 570, 585, 589, 620, 684, 702, 722, 741, 780, 806, 837, 855, 930, 988, 1026, 1083, 1116, 1140, 1170, 1178, 1209, 1235, 1395, 1404, 1444, 1482, 1612, 1674, 1710, 1755, 1767, 1805, 1860, 2015, 2052, 2166, 2223, 2340, 2356, 2418, 2470, 2565, 2790, 2945, 2964, 3249, 3348, 3420, 3510, 3534, 3610, 3627, 3705, 4030, 4185, 4332, 4446, 4693, 4836, 4940, 5130, 5301, 5415, 5580, 5890, 6045, 6498, 6669, 7020, 7068, 7220, 7254, 7410, 7657, 8060, 8370, 8835, 8892, 9386, 9747, 10260, 10602, 10830, 10881, 11115, 11191, 11780, 12090, 12996, 13338, 14079, 14508, 14820, 15314, 15903, 16245, 16740, 17670, 18135, 18772, 19494, 21204, 21660, 21762, 22230, 22382, 22971, 23465, 24180, 26505, 26676, 28158, 30628, 31806, 32490, 33345, 33573, 35340, 36270, 38285, 38988, 42237, 43524, 44460, 44764, 45942, 46930, 48735, 53010, 54405, 55955, 56316, 63612, 64980, 66690, 67146, 68913, 70395, 72540, 76570, 79515, 84474, 91884, 93860, 97470, 100719, 106020, 108810, 111910, 114855, 126711, 133380, 134292, 137826, 140790, 145483, 153140, 159030, 167865, 168948, 194940, 201438, 206739, 211185, 217620, 223820, 229710, 253422, 275652, 281580, 290966, 302157, 318060, 335730, 344565, 402876, 413478, 422370, 436449, 459420, 503595, 506844, 581932, 604314, 633555, 671460, 689130, 727415, 826956, 844740, 872898, 1007190, 1033695, 1208628, 1267110, 1309347, 1378260, 1454830, 1510785, 1745796, 2014380, 2067390, 2182245, 2534220, 2618694, 2909660, 3021570, 3928041, 4134780, 4364490, 5237388, 6043140, 6546735, 7856082, 8728980, 13093470, 15712164, 19640205, 26186940, 39280410, 78560820]

約数ペア:

[(1, 78560820), (2, 39280410), (3, 26186940), (4, 19640205), (5, 15712164), (6, 13093470), (9, 8728980), (10, 7856082), (12, 6546735), (13, 6043140), (15, 5237388), (18, 4364490), (19, 4134780), (20, 3928041), (26, 3021570), (27, 2909660), (30, 2618694), (31, 2534220), (36, 2182245), (38, 2067390), (39, 2014380), (45, 1745796), (52, 1510785), (54, 1454830), (57, 1378260), (60, 1309347), (62, 1267110), (65, 1208628), (76, 1033695), (78, 1007190), (90, 872898), (93, 844740), (95, 826956), (108, 727415), (114, 689130), (117, 671460), (124, 633555), (130, 604314), (135, 581932), (155, 506844), (156, 503595), (171, 459420), (180, 436449), (186, 422370), (190, 413478), (195, 402876), (228, 344565), (234, 335730), (247, 318060), (260, 302157), (270, 290966), (279, 281580), (285, 275652), (310, 253422), (342, 229710), (351, 223820), (361, 217620), (372, 211185), (380, 206739), (390, 201438), (403, 194940), (465, 168948), (468, 167865), (494, 159030), (513, 153140), (540, 145483), (558, 140790), (570, 137826), (585, 134292), (589, 133380), (620, 126711), (684, 114855), (702, 111910), (722, 108810), (741, 106020), (780, 100719), (806, 97470), (837, 93860), (855, 91884), (930, 84474), (988, 79515), (1026, 76570), (1083, 72540), (1116, 70395), (1140, 68913), (1170, 67146), (1178, 66690), (1209, 64980), (1235, 63612), (1395, 56316), (1404, 55955), (1444, 54405), (1482, 53010), (1612, 48735), (1674, 46930), (1710, 45942), (1755, 44764), (1767, 44460), (1805, 43524), (1860, 42237), (2015, 38988), (2052, 38285), (2166, 36270), (2223, 35340), (2340, 33573), (2356, 33345), (2418, 32490), (2470, 31806), (2565, 30628), (2790, 28158), (2945, 26676), (2964, 26505), (3249, 24180), (3348, 23465), (3420, 22971), (3510, 22382), (3534, 22230), (3610, 21762), (3627, 21660), (3705, 21204), (4030, 19494), (4185, 18772), (4332, 18135), (4446, 17670), (4693, 16740), (4836, 16245), (4940, 15903), (5130, 15314), (5301, 14820), (5415, 14508), (5580, 14079), (5890, 13338), (6045, 12996), (6498, 12090), (6669, 11780), (7020, 11191), (7068, 11115), (7220, 10881), (7254, 10830), (7410, 10602), (7657, 10260), (8060, 9747), (8370, 9386), (8835, 8892)]