81700410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:420

約数の個数: 96

約数和(自身を含む): 219252096

約数和(自身を除く): 137551686

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 71, 110, 121, 142, 165, 213, 242, 317, 330, 355, 363, 426, 605, 634, 710, 726, 781, 951, 1065, 1210, 1562, 1585, 1815, 1902, 2130, 2343, 3170, 3487, 3630, 3905, 4686, 4755, 6974, 7810, 8591, 9510, 10461, 11715, 17182, 17435, 20922, 22507, 23430, 25773, 34870, 38357, 42955, 45014, 51546, 52305, 67521, 76714, 85910, 104610, 112535, 115071, 128865, 135042, 191785, 225070, 230142, 247577, 257730, 337605, 383570, 495154, 575355, 675210, 742731, 1150710, 1237885, 1485462, 2475770, 2723347, 3713655, 5446694, 7427310, 8170041, 13616735, 16340082, 27233470, 40850205, 81700410]

約数ペア:

[(1, 81700410), (2, 40850205), (3, 27233470), (5, 16340082), (6, 13616735), (10, 8170041), (11, 7427310), (15, 5446694), (22, 3713655), (30, 2723347), (33, 2475770), (55, 1485462), (66, 1237885), (71, 1150710), (110, 742731), (121, 675210), (142, 575355), (165, 495154), (213, 383570), (242, 337605), (317, 257730), (330, 247577), (355, 230142), (363, 225070), (426, 191785), (605, 135042), (634, 128865), (710, 115071), (726, 112535), (781, 104610), (951, 85910), (1065, 76714), (1210, 67521), (1562, 52305), (1585, 51546), (1815, 45014), (1902, 42955), (2130, 38357), (2343, 34870), (3170, 25773), (3487, 23430), (3630, 22507), (3905, 20922), (4686, 17435), (4755, 17182), (6974, 11715), (7810, 10461), (8591, 9510)]