261250320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1088543}}^1$

素因数の和:1088559

約数の個数: 40

約数和(自身を含む): 809876736

約数和(自身を除く): 548626416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1088543, 2177086, 3265629, 4354172, 5442715, 6531258, 8708344, 10885430, 13062516, 16328145, 17416688, 21770860, 26125032, 32656290, 43541720, 52250064, 65312580, 87083440, 130625160, 261250320]

約数ペア:

[(1, 261250320), (2, 130625160), (3, 87083440), (4, 65312580), (5, 52250064), (6, 43541720), (8, 32656290), (10, 26125032), (12, 21770860), (15, 17416688), (16, 16328145), (20, 13062516), (24, 10885430), (30, 8708344), (40, 6531258), (48, 5442715), (60, 4354172), (80, 3265629), (120, 2177086), (240, 1088543)]