999730680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{640853}}^1$

素因数の和:640880

約数の個数: 64

約数和(自身を含む): 3229904160

約数和(自身を除く): 2230173480

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, 640853, 1281706, 1922559, 2563412, 3204265, 3845118, 5126824, 6408530, 7690236, 8331089, 9612795, 12817060, 15380472, 16662178, 19225590, 24993267, 25634120, 33324356, 38451180, 41655445, 49986534, 66648712, 76902360, 83310890, 99973068, 124966335, 166621780, 199946136, 249932670, 333243560, 499865340, 999730680]

約数ペア:

[(1, 999730680), (2, 499865340), (3, 333243560), (4, 249932670), (5, 199946136), (6, 166621780), (8, 124966335), (10, 99973068), (12, 83310890), (13, 76902360), (15, 66648712), (20, 49986534), (24, 41655445), (26, 38451180), (30, 33324356), (39, 25634120), (40, 24993267), (52, 19225590), (60, 16662178), (65, 15380472), (78, 12817060), (104, 9612795), (120, 8331089), (130, 7690236), (156, 6408530), (195, 5126824), (260, 3845118), (312, 3204265), (390, 2563412), (520, 1922559), (780, 1281706), (1560, 640853)]