280648680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179903}}^1$

素因数の和:179930

約数の個数: 64

約数和(自身を含む): 906716160

約数和(自身を除く): 626067480

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, 179903, 359806, 539709, 719612, 899515, 1079418, 1439224, 1799030, 2158836, 2338739, 2698545, 3598060, 4317672, 4677478, 5397090, 7016217, 7196120, 9354956, 10794180, 11693695, 14032434, 18709912, 21588360, 23387390, 28064868, 35081085, 46774780, 56129736, 70162170, 93549560, 140324340, 280648680]

約数ペア:

[(1, 280648680), (2, 140324340), (3, 93549560), (4, 70162170), (5, 56129736), (6, 46774780), (8, 35081085), (10, 28064868), (12, 23387390), (13, 21588360), (15, 18709912), (20, 14032434), (24, 11693695), (26, 10794180), (30, 9354956), (39, 7196120), (40, 7016217), (52, 5397090), (60, 4677478), (65, 4317672), (78, 3598060), (104, 2698545), (120, 2338739), (130, 2158836), (156, 1799030), (195, 1439224), (260, 1079418), (312, 899515), (390, 719612), (520, 539709), (780, 359806), (1560, 179903)]