251008680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{160903}}^1$

素因数の和:160930

約数の個数: 64

約数和(自身を含む): 810956160

約数和(自身を除く): 559947480

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, 160903, 321806, 482709, 643612, 804515, 965418, 1287224, 1609030, 1930836, 2091739, 2413545, 3218060, 3861672, 4183478, 4827090, 6275217, 6436120, 8366956, 9654180, 10458695, 12550434, 16733912, 19308360, 20917390, 25100868, 31376085, 41834780, 50201736, 62752170, 83669560, 125504340, 251008680]

約数ペア:

[(1, 251008680), (2, 125504340), (3, 83669560), (4, 62752170), (5, 50201736), (6, 41834780), (8, 31376085), (10, 25100868), (12, 20917390), (13, 19308360), (15, 16733912), (20, 12550434), (24, 10458695), (26, 9654180), (30, 8366956), (39, 6436120), (40, 6275217), (52, 4827090), (60, 4183478), (65, 3861672), (78, 3218060), (104, 2413545), (120, 2091739), (130, 1930836), (156, 1609030), (195, 1287224), (260, 965418), (312, 804515), (390, 643612), (520, 482709), (780, 321806), (1560, 160903)]