256460280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{18913}}^1$

素因数の和:19040

約数の個数: 64

約数和(自身を含む): 776230560

約数和(自身を除く): 519770280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 113, 120, 226, 339, 452, 565, 678, 904, 1130, 1356, 1695, 2260, 2712, 3390, 4520, 6780, 13560, 18913, 37826, 56739, 75652, 94565, 113478, 151304, 189130, 226956, 283695, 378260, 453912, 567390, 756520, 1134780, 2137169, 2269560, 4274338, 6411507, 8548676, 10685845, 12823014, 17097352, 21371690, 25646028, 32057535, 42743380, 51292056, 64115070, 85486760, 128230140, 256460280]

約数ペア:

[(1, 256460280), (2, 128230140), (3, 85486760), (4, 64115070), (5, 51292056), (6, 42743380), (8, 32057535), (10, 25646028), (12, 21371690), (15, 17097352), (20, 12823014), (24, 10685845), (30, 8548676), (40, 6411507), (60, 4274338), (113, 2269560), (120, 2137169), (226, 1134780), (339, 756520), (452, 567390), (565, 453912), (678, 378260), (904, 283695), (1130, 226956), (1356, 189130), (1695, 151304), (2260, 113478), (2712, 94565), (3390, 75652), (4520, 56739), (6780, 37826), (13560, 18913)]