31914810

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:122

約数の個数: 120

約数和(自身を含む): 90835668

約数和(自身を除く): 58920858

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 41, 45, 54, 62, 81, 82, 90, 93, 123, 135, 155, 162, 186, 205, 246, 270, 279, 310, 369, 405, 410, 465, 558, 615, 738, 810, 837, 930, 961, 1107, 1230, 1271, 1395, 1674, 1845, 1922, 2214, 2511, 2542, 2790, 2883, 3321, 3690, 3813, 4185, 4805, 5022, 5535, 5766, 6355, 6642, 7626, 8370, 8649, 9610, 11070, 11439, 12555, 12710, 14415, 16605, 17298, 19065, 22878, 25110, 25947, 28830, 33210, 34317, 38130, 39401, 43245, 51894, 57195, 68634, 77841, 78802, 86490, 102951, 114390, 118203, 129735, 155682, 171585, 197005, 205902, 236406, 259470, 343170, 354609, 389205, 394010, 514755, 591015, 709218, 778410, 1029510, 1063827, 1182030, 1773045, 2127654, 3191481, 3546090, 5319135, 6382962, 10638270, 15957405, 31914810]

約数ペア:

[(1, 31914810), (2, 15957405), (3, 10638270), (5, 6382962), (6, 5319135), (9, 3546090), (10, 3191481), (15, 2127654), (18, 1773045), (27, 1182030), (30, 1063827), (31, 1029510), (41, 778410), (45, 709218), (54, 591015), (62, 514755), (81, 394010), (82, 389205), (90, 354609), (93, 343170), (123, 259470), (135, 236406), (155, 205902), (162, 197005), (186, 171585), (205, 155682), (246, 129735), (270, 118203), (279, 114390), (310, 102951), (369, 86490), (405, 78802), (410, 77841), (465, 68634), (558, 57195), (615, 51894), (738, 43245), (810, 39401), (837, 38130), (930, 34317), (961, 33210), (1107, 28830), (1230, 25947), (1271, 25110), (1395, 22878), (1674, 19065), (1845, 17298), (1922, 16605), (2214, 14415), (2511, 12710), (2542, 12555), (2790, 11439), (2883, 11070), (3321, 9610), (3690, 8649), (3813, 8370), (4185, 7626), (4805, 6642), (5022, 6355), (5535, 5766)]