257657340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{28439}}^1$

素因数の和:28602

約数の個数: 48

約数和(自身を含む): 726243840

約数和(自身を除く): 468586500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 151, 302, 453, 604, 755, 906, 1510, 1812, 2265, 3020, 4530, 9060, 28439, 56878, 85317, 113756, 142195, 170634, 284390, 341268, 426585, 568780, 853170, 1706340, 4294289, 8588578, 12882867, 17177156, 21471445, 25765734, 42942890, 51531468, 64414335, 85885780, 128828670, 257657340]

約数ペア:

[(1, 257657340), (2, 128828670), (3, 85885780), (4, 64414335), (5, 51531468), (6, 42942890), (10, 25765734), (12, 21471445), (15, 17177156), (20, 12882867), (30, 8588578), (60, 4294289), (151, 1706340), (302, 853170), (453, 568780), (604, 426585), (755, 341268), (906, 284390), (1510, 170634), (1812, 142195), (2265, 113756), (3020, 85317), (4530, 56878), (9060, 28439)]