1215250290

素因数分解:

$2^1\times 3^7\times 5^1\times {\mathrm{181}}^1\times {\mathrm{307}}^1$

素因数の和:516

約数の個数: 128

約数和(自身を含む): 3309546240

約数和(自身を除く): 2094295950

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 181, 243, 270, 307, 362, 405, 486, 543, 614, 729, 810, 905, 921, 1086, 1215, 1458, 1535, 1629, 1810, 1842, 2187, 2430, 2715, 2763, 3070, 3258, 3645, 4374, 4605, 4887, 5430, 5526, 7290, 8145, 8289, 9210, 9774, 10935, 13815, 14661, 16290, 16578, 21870, 24435, 24867, 27630, 29322, 41445, 43983, 48870, 49734, 55567, 73305, 74601, 82890, 87966, 111134, 124335, 131949, 146610, 149202, 166701, 219915, 223803, 248670, 263898, 277835, 333402, 373005, 395847, 439830, 447606, 500103, 555670, 659745, 671409, 746010, 791694, 833505, 1000206, 1119015, 1319490, 1342818, 1500309, 1667010, 1979235, 2238030, 2500515, 3000618, 3357045, 3958470, 4500927, 5001030, 6714090, 7501545, 9001854, 13502781, 15003090, 22504635, 27005562, 40508343, 45009270, 67513905, 81016686, 121525029, 135027810, 202541715, 243050058, 405083430, 607625145, 1215250290]

約数ペア:

[(1, 1215250290), (2, 607625145), (3, 405083430), (5, 243050058), (6, 202541715), (9, 135027810), (10, 121525029), (15, 81016686), (18, 67513905), (27, 45009270), (30, 40508343), (45, 27005562), (54, 22504635), (81, 15003090), (90, 13502781), (135, 9001854), (162, 7501545), (181, 6714090), (243, 5001030), (270, 4500927), (307, 3958470), (362, 3357045), (405, 3000618), (486, 2500515), (543, 2238030), (614, 1979235), (729, 1667010), (810, 1500309), (905, 1342818), (921, 1319490), (1086, 1119015), (1215, 1000206), (1458, 833505), (1535, 791694), (1629, 746010), (1810, 671409), (1842, 659745), (2187, 555670), (2430, 500103), (2715, 447606), (2763, 439830), (3070, 395847), (3258, 373005), (3645, 333402), (4374, 277835), (4605, 263898), (4887, 248670), (5430, 223803), (5526, 219915), (7290, 166701), (8145, 149202), (8289, 146610), (9210, 131949), (9774, 124335), (10935, 111134), (13815, 87966), (14661, 82890), (16290, 74601), (16578, 73305), (21870, 55567), (24435, 49734), (24867, 48870), (27630, 43983), (29322, 41445)]