15208027900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1423}}^1\times {\mathrm{8221}}^1$

素因数の和:9671

約数の個数: 72

約数和(自身を含む): 35569292864

約数和(自身を除く): 20361264964

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 1423, 2846, 5692, 7115, 8221, 14230, 16442, 18499, 28460, 32884, 35575, 36998, 41105, 71150, 73996, 82210, 92495, 106873, 142300, 164420, 184990, 205525, 213746, 369980, 411050, 427492, 462475, 534365, 822100, 924950, 1068730, 1849900, 2137460, 2671825, 5343650, 10687300, 11698483, 23396966, 46793932, 58492415, 116984830, 152080279, 233969660, 292462075, 304160558, 584924150, 608321116, 760401395, 1169848300, 1520802790, 3041605580, 3802006975, 7604013950, 15208027900]

約数ペア:

[(1, 15208027900), (2, 7604013950), (4, 3802006975), (5, 3041605580), (10, 1520802790), (13, 1169848300), (20, 760401395), (25, 608321116), (26, 584924150), (50, 304160558), (52, 292462075), (65, 233969660), (100, 152080279), (130, 116984830), (260, 58492415), (325, 46793932), (650, 23396966), (1300, 11698483), (1423, 10687300), (2846, 5343650), (5692, 2671825), (7115, 2137460), (8221, 1849900), (14230, 1068730), (16442, 924950), (18499, 822100), (28460, 534365), (32884, 462475), (35575, 427492), (36998, 411050), (41105, 369980), (71150, 213746), (73996, 205525), (82210, 184990), (92495, 164420), (106873, 142300)]