817887720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{524287}}^1$

素因数の和:524314

約数の個数: 64

約数和(自身を含む): 2642411520

約数和(自身を除く): 1824523800

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, 524287, 1048574, 1572861, 2097148, 2621435, 3145722, 4194296, 5242870, 6291444, 6815731, 7864305, 10485740, 12582888, 13631462, 15728610, 20447193, 20971480, 27262924, 31457220, 34078655, 40894386, 54525848, 62914440, 68157310, 81788772, 102235965, 136314620, 163577544, 204471930, 272629240, 408943860, 817887720]

約数ペア:

[(1, 817887720), (2, 408943860), (3, 272629240), (4, 204471930), (5, 163577544), (6, 136314620), (8, 102235965), (10, 81788772), (12, 68157310), (13, 62914440), (15, 54525848), (20, 40894386), (24, 34078655), (26, 31457220), (30, 27262924), (39, 20971480), (40, 20447193), (52, 15728610), (60, 13631462), (65, 12582888), (78, 10485740), (104, 7864305), (120, 6815731), (130, 6291444), (156, 5242870), (195, 4194296), (260, 3145722), (312, 2621435), (390, 2097148), (520, 1572861), (780, 1048574), (1560, 524287)]