21356579880

素因数分解:

$2^3\times 3^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4283}}^1$

素因数の和:4337

約数の個数: 288

約数和(自身を含む): 75885919200

約数和(自身を除く): 54529339320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 243, 270, 285, 324, 342, 360, 380, 405, 456, 486, 513, 540, 570, 648, 684, 729, 760, 810, 855, 972, 1026, 1080, 1140, 1215, 1368, 1458, 1539, 1620, 1710, 1944, 2052, 2187, 2280, 2430, 2565, 2916, 3078, 3240, 3420, 3645, 4104, 4283, 4374, 4617, 4860, 5130, 5832, 6156, 6561, 6840, 7290, 7695, 8566, 8748, 9234, 9720, 10260, 10935, 12312, 12849, 13122, 13851, 14580, 15390, 17132, 17496, 18468, 20520, 21415, 21870, 23085, 25698, 26244, 27702, 29160, 30780, 32805, 34264, 36936, 38547, 41553, 42830, 43740, 46170, 51396, 52488, 55404, 61560, 64245, 65610, 69255, 77094, 81377, 83106, 85660, 87480, 92340, 102792, 110808, 115641, 124659, 128490, 131220, 138510, 154188, 162754, 166212, 171320, 184680, 192735, 207765, 231282, 244131, 249318, 256980, 262440, 277020, 308376, 325508, 332424, 346923, 385470, 406885, 415530, 462564, 488262, 498636, 513960, 554040, 578205, 623295, 651016, 693846, 732393, 770940, 813770, 831060, 925128, 976524, 997272, 1040769, 1156410, 1220655, 1246590, 1387692, 1464786, 1541880, 1627540, 1662120, 1734615, 1953048, 2081538, 2197179, 2312820, 2441310, 2493180, 2775384, 2929572, 3122307, 3255080, 3469230, 3661965, 4163076, 4394358, 4625640, 4882620, 4986360, 5203845, 5859144, 6244614, 6591537, 6938460, 7323930, 8326152, 8788716, 9366921, 9765240, 10407690, 10985895, 12489228, 13183074, 13876920, 14647860, 15611535, 17577432, 18733842, 19774611, 20815380, 21971790, 24978456, 26366148, 28100763, 29295720, 31223070, 32957685, 37467684, 39549222, 41630760, 43943580, 46834605, 52732296, 56201526, 59323833, 62446140, 65915370, 74935368, 79098444, 87887160, 93669210, 98873055, 112403052, 118647666, 124892280, 131830740, 140503815, 158196888, 177971499, 187338420, 197746110, 224806104, 237295332, 263661480, 281007630, 296619165, 355942998, 374676840, 395492220, 474590664, 533914497, 562015260, 593238330, 711885996, 790984440, 889857495, 1067828994, 1124030520, 1186476660, 1423771992, 1779714990, 2135657988, 2372953320, 2669572485, 3559429980, 4271315976, 5339144970, 7118859960, 10678289940, 21356579880]

約数ペア:

[(1, 21356579880), (2, 10678289940), (3, 7118859960), (4, 5339144970), (5, 4271315976), (6, 3559429980), (8, 2669572485), (9, 2372953320), (10, 2135657988), (12, 1779714990), (15, 1423771992), (18, 1186476660), (19, 1124030520), (20, 1067828994), (24, 889857495), (27, 790984440), (30, 711885996), (36, 593238330), (38, 562015260), (40, 533914497), (45, 474590664), (54, 395492220), (57, 374676840), (60, 355942998), (72, 296619165), (76, 281007630), (81, 263661480), (90, 237295332), (95, 224806104), (108, 197746110), (114, 187338420), (120, 177971499), (135, 158196888), (152, 140503815), (162, 131830740), (171, 124892280), (180, 118647666), (190, 112403052), (216, 98873055), (228, 93669210), (243, 87887160), (270, 79098444), (285, 74935368), (324, 65915370), (342, 62446140), (360, 59323833), (380, 56201526), (405, 52732296), (456, 46834605), (486, 43943580), (513, 41630760), (540, 39549222), (570, 37467684), (648, 32957685), (684, 31223070), (729, 29295720), (760, 28100763), (810, 26366148), (855, 24978456), (972, 21971790), (1026, 20815380), (1080, 19774611), (1140, 18733842), (1215, 17577432), (1368, 15611535), (1458, 14647860), (1539, 13876920), (1620, 13183074), (1710, 12489228), (1944, 10985895), (2052, 10407690), (2187, 9765240), (2280, 9366921), (2430, 8788716), (2565, 8326152), (2916, 7323930), (3078, 6938460), (3240, 6591537), (3420, 6244614), (3645, 5859144), (4104, 5203845), (4283, 4986360), (4374, 4882620), (4617, 4625640), (4860, 4394358), (5130, 4163076), (5832, 3661965), (6156, 3469230), (6561, 3255080), (6840, 3122307), (7290, 2929572), (7695, 2775384), (8566, 2493180), (8748, 2441310), (9234, 2312820), (9720, 2197179), (10260, 2081538), (10935, 1953048), (12312, 1734615), (12849, 1662120), (13122, 1627540), (13851, 1541880), (14580, 1464786), (15390, 1387692), (17132, 1246590), (17496, 1220655), (18468, 1156410), (20520, 1040769), (21415, 997272), (21870, 976524), (23085, 925128), (25698, 831060), (26244, 813770), (27702, 770940), (29160, 732393), (30780, 693846), (32805, 651016), (34264, 623295), (36936, 578205), (38547, 554040), (41553, 513960), (42830, 498636), (43740, 488262), (46170, 462564), (51396, 415530), (52488, 406885), (55404, 385470), (61560, 346923), (64245, 332424), (65610, 325508), (69255, 308376), (77094, 277020), (81377, 262440), (83106, 256980), (85660, 249318), (87480, 244131), (92340, 231282), (102792, 207765), (110808, 192735), (115641, 184680), (124659, 171320), (128490, 166212), (131220, 162754), (138510, 154188)]