28307640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{563}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 85276800

約数和(自身を除く): 56969160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 419, 563, 838, 1126, 1257, 1676, 1689, 2095, 2252, 2514, 2815, 3352, 3378, 4190, 4504, 5028, 5630, 6285, 6756, 8380, 8445, 10056, 11260, 12570, 13512, 16760, 16890, 22520, 25140, 33780, 50280, 67560, 235897, 471794, 707691, 943588, 1179485, 1415382, 1887176, 2358970, 2830764, 3538455, 4717940, 5661528, 7076910, 9435880, 14153820, 28307640]

約数ペア:

[(1, 28307640), (2, 14153820), (3, 9435880), (4, 7076910), (5, 5661528), (6, 4717940), (8, 3538455), (10, 2830764), (12, 2358970), (15, 1887176), (20, 1415382), (24, 1179485), (30, 943588), (40, 707691), (60, 471794), (120, 235897), (419, 67560), (563, 50280), (838, 33780), (1126, 25140), (1257, 22520), (1676, 16890), (1689, 16760), (2095, 13512), (2252, 12570), (2514, 11260), (2815, 10056), (3352, 8445), (3378, 8380), (4190, 6756), (4504, 6285), (5028, 5630)]