260737280

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6571}}^1$

素因数の和:6623

約数の個数: 72

約数和(自身を含む): 644792064

約数和(自身を除く): 384054784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 6571, 7936, 9920, 13142, 19840, 26284, 32855, 39680, 52568, 65710, 105136, 131420, 203701, 210272, 262840, 407402, 420544, 525680, 814804, 841088, 1018505, 1051360, 1629608, 1682176, 2037010, 2102720, 3259216, 4074020, 4205440, 6518432, 8148040, 8410880, 13036864, 16296080, 26073728, 32592160, 52147456, 65184320, 130368640, 260737280]

約数ペア:

[(1, 260737280), (2, 130368640), (4, 65184320), (5, 52147456), (8, 32592160), (10, 26073728), (16, 16296080), (20, 13036864), (31, 8410880), (32, 8148040), (40, 6518432), (62, 4205440), (64, 4074020), (80, 3259216), (124, 2102720), (128, 2037010), (155, 1682176), (160, 1629608), (248, 1051360), (256, 1018505), (310, 841088), (320, 814804), (496, 525680), (620, 420544), (640, 407402), (992, 262840), (1240, 210272), (1280, 203701), (1984, 131420), (2480, 105136), (3968, 65710), (4960, 52568), (6571, 39680), (7936, 32855), (9920, 26284), (13142, 19840)]