28705080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5563}}^1$

素因数の和:5620

約数の個数: 64

約数和(自身を含む): 88133760

約数和(自身を除く): 59428680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 5563, 11126, 16689, 22252, 27815, 33378, 44504, 55630, 66756, 83445, 111260, 133512, 166890, 222520, 239209, 333780, 478418, 667560, 717627, 956836, 1196045, 1435254, 1913672, 2392090, 2870508, 3588135, 4784180, 5741016, 7176270, 9568360, 14352540, 28705080]

約数ペア:

[(1, 28705080), (2, 14352540), (3, 9568360), (4, 7176270), (5, 5741016), (6, 4784180), (8, 3588135), (10, 2870508), (12, 2392090), (15, 1913672), (20, 1435254), (24, 1196045), (30, 956836), (40, 717627), (43, 667560), (60, 478418), (86, 333780), (120, 239209), (129, 222520), (172, 166890), (215, 133512), (258, 111260), (344, 83445), (430, 66756), (516, 55630), (645, 44504), (860, 33378), (1032, 27815), (1290, 22252), (1720, 16689), (2580, 11126), (5160, 5563)]