280143240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179579}}^1$

素因数の和:179606

約数の個数: 64

約数和(自身を含む): 905083200

約数和(自身を除く): 624939960

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, 179579, 359158, 538737, 718316, 897895, 1077474, 1436632, 1795790, 2154948, 2334527, 2693685, 3591580, 4309896, 4669054, 5387370, 7003581, 7183160, 9338108, 10774740, 11672635, 14007162, 18676216, 21549480, 23345270, 28014324, 35017905, 46690540, 56028648, 70035810, 93381080, 140071620, 280143240]

約数ペア:

[(1, 280143240), (2, 140071620), (3, 93381080), (4, 70035810), (5, 56028648), (6, 46690540), (8, 35017905), (10, 28014324), (12, 23345270), (13, 21549480), (15, 18676216), (20, 14007162), (24, 11672635), (26, 10774740), (30, 9338108), (39, 7183160), (40, 7003581), (52, 5387370), (60, 4669054), (65, 4309896), (78, 3591580), (104, 2693685), (120, 2334527), (130, 2154948), (156, 1795790), (195, 1436632), (260, 1077474), (312, 897895), (390, 718316), (520, 538737), (780, 359158), (1560, 179579)]