15309970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 31933440

約数和(自身を除く): 16623470

約数列:

[1, 2, 5, 10, 13, 26, 29, 31, 58, 62, 65, 130, 131, 145, 155, 262, 290, 310, 377, 403, 655, 754, 806, 899, 1310, 1703, 1798, 1885, 2015, 3406, 3770, 3799, 4030, 4061, 4495, 7598, 8122, 8515, 8990, 11687, 17030, 18995, 20305, 23374, 37990, 40610, 49387, 52793, 58435, 98774, 105586, 116870, 117769, 235538, 246935, 263965, 493870, 527930, 588845, 1177690, 1530997, 3061994, 7654985, 15309970]

約数ペア:

[(1, 15309970), (2, 7654985), (5, 3061994), (10, 1530997), (13, 1177690), (26, 588845), (29, 527930), (31, 493870), (58, 263965), (62, 246935), (65, 235538), (130, 117769), (131, 116870), (145, 105586), (155, 98774), (262, 58435), (290, 52793), (310, 49387), (377, 40610), (403, 37990), (655, 23374), (754, 20305), (806, 18995), (899, 17030), (1310, 11687), (1703, 8990), (1798, 8515), (1885, 8122), (2015, 7598), (3406, 4495), (3770, 4061), (3799, 4030)]