640043052

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{8317}}^1$

素因数の和:8399

約数の個数: 72

約数和(自身を含む): 1672716528

約数和(自身を除く): 1032673476

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 53, 66, 106, 121, 132, 159, 212, 242, 318, 363, 484, 583, 636, 726, 1166, 1452, 1749, 2332, 3498, 6413, 6996, 8317, 12826, 16634, 19239, 24951, 25652, 33268, 38478, 49902, 76956, 91487, 99804, 182974, 274461, 365948, 440801, 548922, 881602, 1006357, 1097844, 1322403, 1763204, 2012714, 2644806, 3019071, 4025428, 4848811, 5289612, 6038142, 9697622, 12076284, 14546433, 19395244, 29092866, 53336921, 58185732, 106673842, 160010763, 213347684, 320021526, 640043052]

約数ペア:

[(1, 640043052), (2, 320021526), (3, 213347684), (4, 160010763), (6, 106673842), (11, 58185732), (12, 53336921), (22, 29092866), (33, 19395244), (44, 14546433), (53, 12076284), (66, 9697622), (106, 6038142), (121, 5289612), (132, 4848811), (159, 4025428), (212, 3019071), (242, 2644806), (318, 2012714), (363, 1763204), (484, 1322403), (583, 1097844), (636, 1006357), (726, 881602), (1166, 548922), (1452, 440801), (1749, 365948), (2332, 274461), (3498, 182974), (6413, 99804), (6996, 91487), (8317, 76956), (12826, 49902), (16634, 38478), (19239, 33268), (24951, 25652)]