1563156920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1439}}^1\times {\mathrm{2089}}^1$

素因数の和:3552

約数の個数: 64

約数和(自身を含む): 3792096000

約数和(自身を除く): 2228939080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1439, 2089, 2878, 4178, 5756, 7195, 8356, 10445, 11512, 14390, 16712, 18707, 20890, 27157, 28780, 37414, 41780, 54314, 57560, 74828, 83560, 93535, 108628, 135785, 149656, 187070, 217256, 271570, 374140, 543140, 748280, 1086280, 3006071, 6012142, 12024284, 15030355, 24048568, 30060710, 39078923, 60121420, 78157846, 120242840, 156315692, 195394615, 312631384, 390789230, 781578460, 1563156920]

約数ペア:

[(1, 1563156920), (2, 781578460), (4, 390789230), (5, 312631384), (8, 195394615), (10, 156315692), (13, 120242840), (20, 78157846), (26, 60121420), (40, 39078923), (52, 30060710), (65, 24048568), (104, 15030355), (130, 12024284), (260, 6012142), (520, 3006071), (1439, 1086280), (2089, 748280), (2878, 543140), (4178, 374140), (5756, 271570), (7195, 217256), (8356, 187070), (10445, 149656), (11512, 135785), (14390, 108628), (16712, 93535), (18707, 83560), (20890, 74828), (27157, 57560), (28780, 54314), (37414, 41780)]