64666680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41453}}^1$

素因数の和:41480

約数の個数: 64

約数和(自身を含む): 208928160

約数和(自身を除く): 144261480

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, 41453, 82906, 124359, 165812, 207265, 248718, 331624, 414530, 497436, 538889, 621795, 829060, 994872, 1077778, 1243590, 1616667, 1658120, 2155556, 2487180, 2694445, 3233334, 4311112, 4974360, 5388890, 6466668, 8083335, 10777780, 12933336, 16166670, 21555560, 32333340, 64666680]

約数ペア:

[(1, 64666680), (2, 32333340), (3, 21555560), (4, 16166670), (5, 12933336), (6, 10777780), (8, 8083335), (10, 6466668), (12, 5388890), (13, 4974360), (15, 4311112), (20, 3233334), (24, 2694445), (26, 2487180), (30, 2155556), (39, 1658120), (40, 1616667), (52, 1243590), (60, 1077778), (65, 994872), (78, 829060), (104, 621795), (120, 538889), (130, 497436), (156, 414530), (195, 331624), (260, 248718), (312, 207265), (390, 165812), (520, 124359), (780, 82906), (1560, 41453)]