15655380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20071}}^1$

素因数の和:20096

約数の個数: 48

約数和(自身を含む): 47209344

約数和(自身を除く): 31553964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 20071, 40142, 60213, 80284, 100355, 120426, 200710, 240852, 260923, 301065, 401420, 521846, 602130, 782769, 1043692, 1204260, 1304615, 1565538, 2609230, 3131076, 3913845, 5218460, 7827690, 15655380]

約数ペア:

[(1, 15655380), (2, 7827690), (3, 5218460), (4, 3913845), (5, 3131076), (6, 2609230), (10, 1565538), (12, 1304615), (13, 1204260), (15, 1043692), (20, 782769), (26, 602130), (30, 521846), (39, 401420), (52, 301065), (60, 260923), (65, 240852), (78, 200710), (130, 120426), (156, 100355), (195, 80284), (260, 60213), (390, 40142), (780, 20071)]