64516920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41357}}^1$

素因数の和:41384

約数の個数: 64

約数和(自身を含む): 208444320

約数和(自身を除く): 143927400

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, 41357, 82714, 124071, 165428, 206785, 248142, 330856, 413570, 496284, 537641, 620355, 827140, 992568, 1075282, 1240710, 1612923, 1654280, 2150564, 2481420, 2688205, 3225846, 4301128, 4962840, 5376410, 6451692, 8064615, 10752820, 12903384, 16129230, 21505640, 32258460, 64516920]

約数ペア:

[(1, 64516920), (2, 32258460), (3, 21505640), (4, 16129230), (5, 12903384), (6, 10752820), (8, 8064615), (10, 6451692), (12, 5376410), (13, 4962840), (15, 4301128), (20, 3225846), (24, 2688205), (26, 2481420), (30, 2150564), (39, 1654280), (40, 1612923), (52, 1240710), (60, 1075282), (65, 992568), (78, 827140), (104, 620355), (120, 537641), (130, 496284), (156, 413570), (195, 330856), (260, 248142), (312, 206785), (390, 165428), (520, 124071), (780, 82714), (1560, 41357)]