491248680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{314903}}^1$

素因数の和:314930

約数の個数: 64

約数和(自身を含む): 1587116160

約数和(自身を除く): 1095867480

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, 314903, 629806, 944709, 1259612, 1574515, 1889418, 2519224, 3149030, 3778836, 4093739, 4723545, 6298060, 7557672, 8187478, 9447090, 12281217, 12596120, 16374956, 18894180, 20468695, 24562434, 32749912, 37788360, 40937390, 49124868, 61406085, 81874780, 98249736, 122812170, 163749560, 245624340, 491248680]

約数ペア:

[(1, 491248680), (2, 245624340), (3, 163749560), (4, 122812170), (5, 98249736), (6, 81874780), (8, 61406085), (10, 49124868), (12, 40937390), (13, 37788360), (15, 32749912), (20, 24562434), (24, 20468695), (26, 18894180), (30, 16374956), (39, 12596120), (40, 12281217), (52, 9447090), (60, 8187478), (65, 7557672), (78, 6298060), (104, 4723545), (120, 4093739), (130, 3778836), (156, 3149030), (195, 2519224), (260, 1889418), (312, 1574515), (390, 1259612), (520, 944709), (780, 629806), (1560, 314903)]