320219880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{4229}}^1$

素因数の和:4874

約数の個数: 64

約数和(自身を含む): 962409600

約数和(自身を除く): 642189720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 631, 1262, 1893, 2524, 3155, 3786, 4229, 5048, 6310, 7572, 8458, 9465, 12620, 12687, 15144, 16916, 18930, 21145, 25240, 25374, 33832, 37860, 42290, 50748, 63435, 75720, 84580, 101496, 126870, 169160, 253740, 507480, 2668499, 5336998, 8005497, 10673996, 13342495, 16010994, 21347992, 26684990, 32021988, 40027485, 53369980, 64043976, 80054970, 106739960, 160109940, 320219880]

約数ペア:

[(1, 320219880), (2, 160109940), (3, 106739960), (4, 80054970), (5, 64043976), (6, 53369980), (8, 40027485), (10, 32021988), (12, 26684990), (15, 21347992), (20, 16010994), (24, 13342495), (30, 10673996), (40, 8005497), (60, 5336998), (120, 2668499), (631, 507480), (1262, 253740), (1893, 169160), (2524, 126870), (3155, 101496), (3786, 84580), (4229, 75720), (5048, 63435), (6310, 50748), (7572, 42290), (8458, 37860), (9465, 33832), (12620, 25374), (12687, 25240), (15144, 21145), (16916, 18930)]