28054680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{601}}^1$

素因数の和:1004

約数の個数: 64

約数和(自身を含む): 84520800

約数和(自身を除く): 56466120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 389, 601, 778, 1167, 1202, 1556, 1803, 1945, 2334, 2404, 3005, 3112, 3606, 3890, 4668, 4808, 5835, 6010, 7212, 7780, 9015, 9336, 11670, 12020, 14424, 15560, 18030, 23340, 24040, 36060, 46680, 72120, 233789, 467578, 701367, 935156, 1168945, 1402734, 1870312, 2337890, 2805468, 3506835, 4675780, 5610936, 7013670, 9351560, 14027340, 28054680]

約数ペア:

[(1, 28054680), (2, 14027340), (3, 9351560), (4, 7013670), (5, 5610936), (6, 4675780), (8, 3506835), (10, 2805468), (12, 2337890), (15, 1870312), (20, 1402734), (24, 1168945), (30, 935156), (40, 701367), (60, 467578), (120, 233789), (389, 72120), (601, 46680), (778, 36060), (1167, 24040), (1202, 23340), (1556, 18030), (1803, 15560), (1945, 14424), (2334, 12020), (2404, 11670), (3005, 9336), (3112, 9015), (3606, 7780), (3890, 7212), (4668, 6010), (4808, 5835)]