1983690

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:129

約数の個数: 80

約数和(自身を含む): 5575680

約数和(自身を除く): 3591990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 79, 81, 90, 93, 135, 155, 158, 162, 186, 237, 270, 279, 310, 395, 405, 465, 474, 558, 711, 790, 810, 837, 930, 1185, 1395, 1422, 1674, 2133, 2370, 2449, 2511, 2790, 3555, 4185, 4266, 4898, 5022, 6399, 7110, 7347, 8370, 10665, 12245, 12555, 12798, 14694, 21330, 22041, 24490, 25110, 31995, 36735, 44082, 63990, 66123, 73470, 110205, 132246, 198369, 220410, 330615, 396738, 661230, 991845, 1983690]

約数ペア:

[(1, 1983690), (2, 991845), (3, 661230), (5, 396738), (6, 330615), (9, 220410), (10, 198369), (15, 132246), (18, 110205), (27, 73470), (30, 66123), (31, 63990), (45, 44082), (54, 36735), (62, 31995), (79, 25110), (81, 24490), (90, 22041), (93, 21330), (135, 14694), (155, 12798), (158, 12555), (162, 12245), (186, 10665), (237, 8370), (270, 7347), (279, 7110), (310, 6399), (395, 5022), (405, 4898), (465, 4266), (474, 4185), (558, 3555), (711, 2790), (790, 2511), (810, 2449), (837, 2370), (930, 2133), (1185, 1674), (1395, 1422)]