315026920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{683}}^1\times {\mathrm{887}}^1$

素因数の和:1594

約数の個数: 64

約数和(自身を含む): 765313920

約数和(自身を除く): 450287000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 683, 887, 1366, 1774, 2732, 3415, 3548, 4435, 5464, 6830, 7096, 8870, 8879, 11531, 13660, 17740, 17758, 23062, 27320, 35480, 35516, 44395, 46124, 57655, 71032, 88790, 92248, 115310, 177580, 230620, 355160, 461240, 605821, 1211642, 2423284, 3029105, 4846568, 6058210, 7875673, 12116420, 15751346, 24232840, 31502692, 39378365, 63005384, 78756730, 157513460, 315026920]

約数ペア:

[(1, 315026920), (2, 157513460), (4, 78756730), (5, 63005384), (8, 39378365), (10, 31502692), (13, 24232840), (20, 15751346), (26, 12116420), (40, 7875673), (52, 6058210), (65, 4846568), (104, 3029105), (130, 2423284), (260, 1211642), (520, 605821), (683, 461240), (887, 355160), (1366, 230620), (1774, 177580), (2732, 115310), (3415, 92248), (3548, 88790), (4435, 71032), (5464, 57655), (6830, 46124), (7096, 44395), (8870, 35516), (8879, 35480), (11531, 27320), (13660, 23062), (17740, 17758)]