15190840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 24207560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 227, 239, 280, 454, 478, 908, 956, 1135, 1195, 1589, 1673, 1816, 1912, 2270, 2390, 3178, 3346, 4540, 4780, 6356, 6692, 7945, 8365, 9080, 9560, 12712, 13384, 15890, 16730, 31780, 33460, 54253, 63560, 66920, 108506, 217012, 271265, 379771, 434024, 542530, 759542, 1085060, 1519084, 1898855, 2170120, 3038168, 3797710, 7595420, 15190840]

約数ペア:

[(1, 15190840), (2, 7595420), (4, 3797710), (5, 3038168), (7, 2170120), (8, 1898855), (10, 1519084), (14, 1085060), (20, 759542), (28, 542530), (35, 434024), (40, 379771), (56, 271265), (70, 217012), (140, 108506), (227, 66920), (239, 63560), (280, 54253), (454, 33460), (478, 31780), (908, 16730), (956, 15890), (1135, 13384), (1195, 12712), (1589, 9560), (1673, 9080), (1816, 8365), (1912, 7945), (2270, 6692), (2390, 6356), (3178, 4780), (3346, 4540)]