64043980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:504

約数の個数: 144

約数和(自身を含む): 184203936

約数和(自身を除く): 120159956

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 49, 52, 55, 65, 70, 77, 91, 98, 110, 130, 140, 143, 154, 182, 196, 220, 245, 260, 286, 308, 364, 385, 455, 457, 490, 539, 572, 637, 715, 770, 910, 914, 980, 1001, 1078, 1274, 1430, 1540, 1820, 1828, 2002, 2156, 2285, 2548, 2695, 2860, 3185, 3199, 4004, 4570, 5005, 5027, 5390, 5941, 6370, 6398, 7007, 9140, 10010, 10054, 10780, 11882, 12740, 12796, 14014, 15995, 20020, 20108, 22393, 23764, 25135, 28028, 29705, 31990, 35035, 35189, 41587, 44786, 50270, 59410, 63980, 65351, 70070, 70378, 83174, 89572, 100540, 111965, 118820, 130702, 140140, 140756, 166348, 175945, 207935, 223930, 246323, 261404, 291109, 326755, 351890, 415870, 447860, 457457, 492646, 582218, 653510, 703780, 831740, 914914, 985292, 1164436, 1231615, 1307020, 1455545, 1829828, 2287285, 2463230, 2911090, 3202199, 4574570, 4926460, 5822180, 6404398, 9149140, 12808796, 16010995, 32021990, 64043980]

約数ペア:

[(1, 64043980), (2, 32021990), (4, 16010995), (5, 12808796), (7, 9149140), (10, 6404398), (11, 5822180), (13, 4926460), (14, 4574570), (20, 3202199), (22, 2911090), (26, 2463230), (28, 2287285), (35, 1829828), (44, 1455545), (49, 1307020), (52, 1231615), (55, 1164436), (65, 985292), (70, 914914), (77, 831740), (91, 703780), (98, 653510), (110, 582218), (130, 492646), (140, 457457), (143, 447860), (154, 415870), (182, 351890), (196, 326755), (220, 291109), (245, 261404), (260, 246323), (286, 223930), (308, 207935), (364, 175945), (385, 166348), (455, 140756), (457, 140140), (490, 130702), (539, 118820), (572, 111965), (637, 100540), (715, 89572), (770, 83174), (910, 70378), (914, 70070), (980, 65351), (1001, 63980), (1078, 59410), (1274, 50270), (1430, 44786), (1540, 41587), (1820, 35189), (1828, 35035), (2002, 31990), (2156, 29705), (2285, 28028), (2548, 25135), (2695, 23764), (2860, 22393), (3185, 20108), (3199, 20020), (4004, 15995), (4570, 14014), (5005, 12796), (5027, 12740), (5390, 11882), (5941, 10780), (6370, 10054), (6398, 10010), (7007, 9140)]