61990020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1429}}^1$

素因数の和:1685

約数の個数: 72

約数和(自身を含む): 188948760

約数和(自身を除く): 126958740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 241, 482, 723, 964, 1205, 1429, 1446, 2169, 2410, 2858, 2892, 3615, 4287, 4338, 4820, 5716, 7145, 7230, 8574, 8676, 10845, 12861, 14290, 14460, 17148, 21435, 21690, 25722, 28580, 42870, 43380, 51444, 64305, 85740, 128610, 257220, 344389, 688778, 1033167, 1377556, 1721945, 2066334, 3099501, 3443890, 4132668, 5165835, 6199002, 6887780, 10331670, 12398004, 15497505, 20663340, 30995010, 61990020]

約数ペア:

[(1, 61990020), (2, 30995010), (3, 20663340), (4, 15497505), (5, 12398004), (6, 10331670), (9, 6887780), (10, 6199002), (12, 5165835), (15, 4132668), (18, 3443890), (20, 3099501), (30, 2066334), (36, 1721945), (45, 1377556), (60, 1033167), (90, 688778), (180, 344389), (241, 257220), (482, 128610), (723, 85740), (964, 64305), (1205, 51444), (1429, 43380), (1446, 42870), (2169, 28580), (2410, 25722), (2858, 21690), (2892, 21435), (3615, 17148), (4287, 14460), (4338, 14290), (4820, 12861), (5716, 10845), (7145, 8676), (7230, 8574)]