1279884080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{9461}}^1$

素因数の和:9582

約数の個数: 80

約数和(自身を含む): 3167877600

約数和(自身を除く): 1887993520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 89, 95, 152, 178, 190, 304, 356, 380, 445, 712, 760, 890, 1424, 1520, 1691, 1780, 3382, 3560, 6764, 7120, 8455, 9461, 13528, 16910, 18922, 27056, 33820, 37844, 47305, 67640, 75688, 94610, 135280, 151376, 179759, 189220, 359518, 378440, 719036, 756880, 842029, 898795, 1438072, 1684058, 1797590, 2876144, 3368116, 3595180, 4210145, 6736232, 7190360, 8420290, 13472464, 14380720, 15998551, 16840580, 31997102, 33681160, 63994204, 67362320, 79992755, 127988408, 159985510, 255976816, 319971020, 639942040, 1279884080]

約数ペア:

[(1, 1279884080), (2, 639942040), (4, 319971020), (5, 255976816), (8, 159985510), (10, 127988408), (16, 79992755), (19, 67362320), (20, 63994204), (38, 33681160), (40, 31997102), (76, 16840580), (80, 15998551), (89, 14380720), (95, 13472464), (152, 8420290), (178, 7190360), (190, 6736232), (304, 4210145), (356, 3595180), (380, 3368116), (445, 2876144), (712, 1797590), (760, 1684058), (890, 1438072), (1424, 898795), (1520, 842029), (1691, 756880), (1780, 719036), (3382, 378440), (3560, 359518), (6764, 189220), (7120, 179759), (8455, 151376), (9461, 135280), (13528, 94610), (16910, 75688), (18922, 67640), (27056, 47305), (33820, 37844)]