205806120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131927}}^1$

素因数の和:131954

約数の個数: 64

約数和(自身を含む): 664917120

約数和(自身を除く): 459111000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 131927, 263854, 395781, 527708, 659635, 791562, 1055416, 1319270, 1583124, 1715051, 1978905, 2638540, 3166248, 3430102, 3957810, 5145153, 5277080, 6860204, 7915620, 8575255, 10290306, 13720408, 15831240, 17150510, 20580612, 25725765, 34301020, 41161224, 51451530, 68602040, 102903060, 205806120]

約数ペア:

[(1, 205806120), (2, 102903060), (3, 68602040), (4, 51451530), (5, 41161224), (6, 34301020), (8, 25725765), (10, 20580612), (12, 17150510), (13, 15831240), (15, 13720408), (20, 10290306), (24, 8575255), (26, 7915620), (30, 6860204), (39, 5277080), (40, 5145153), (52, 3957810), (60, 3430102), (65, 3166248), (78, 2638540), (104, 1978905), (120, 1715051), (130, 1583124), (156, 1319270), (195, 1055416), (260, 791562), (312, 659635), (390, 527708), (520, 395781), (780, 263854), (1560, 131927)]