1299689960

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1\times {\mathrm{593}}^1$

素因数の和:1110

約数の個数: 64

約数和(自身を含む): 2956338000

約数和(自身を除く): 1656648040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 349, 593, 628, 698, 785, 1186, 1256, 1396, 1570, 1745, 2372, 2792, 2965, 3140, 3490, 4744, 5930, 6280, 6980, 11860, 13960, 23720, 54793, 93101, 109586, 186202, 206957, 219172, 273965, 372404, 413914, 438344, 465505, 547930, 744808, 827828, 931010, 1034785, 1095860, 1655656, 1862020, 2069570, 2191720, 3724040, 4139140, 8278280, 32492249, 64984498, 129968996, 162461245, 259937992, 324922490, 649844980, 1299689960]

約数ペア:

[(1, 1299689960), (2, 649844980), (4, 324922490), (5, 259937992), (8, 162461245), (10, 129968996), (20, 64984498), (40, 32492249), (157, 8278280), (314, 4139140), (349, 3724040), (593, 2191720), (628, 2069570), (698, 1862020), (785, 1655656), (1186, 1095860), (1256, 1034785), (1396, 931010), (1570, 827828), (1745, 744808), (2372, 547930), (2792, 465505), (2965, 438344), (3140, 413914), (3490, 372404), (4744, 273965), (5930, 219172), (6280, 206957), (6980, 186202), (11860, 109586), (13960, 93101), (23720, 54793)]