27909960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17891}}^1$

素因数の和:17918

約数の個数: 64

約数和(自身を含む): 90175680

約数和(自身を除く): 62265720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 17891, 35782, 53673, 71564, 89455, 107346, 143128, 178910, 214692, 232583, 268365, 357820, 429384, 465166, 536730, 697749, 715640, 930332, 1073460, 1162915, 1395498, 1860664, 2146920, 2325830, 2790996, 3488745, 4651660, 5581992, 6977490, 9303320, 13954980, 27909960]

約数ペア:

[(1, 27909960), (2, 13954980), (3, 9303320), (4, 6977490), (5, 5581992), (6, 4651660), (8, 3488745), (10, 2790996), (12, 2325830), (13, 2146920), (15, 1860664), (20, 1395498), (24, 1162915), (26, 1073460), (30, 930332), (39, 715640), (40, 697749), (52, 536730), (60, 465166), (65, 429384), (78, 357820), (104, 268365), (120, 232583), (130, 214692), (156, 178910), (195, 143128), (260, 107346), (312, 89455), (390, 71564), (520, 53673), (780, 35782), (1560, 17891)]