263556080

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{631}}^1$

素因数の和:894

約数の個数: 80

約数和(自身を含む): 643244544

約数和(自身を除く): 379688464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 227, 230, 368, 454, 460, 631, 908, 920, 1135, 1262, 1816, 1840, 2270, 2524, 3155, 3632, 4540, 5048, 5221, 6310, 9080, 10096, 10442, 12620, 14513, 18160, 20884, 25240, 26105, 29026, 41768, 50480, 52210, 58052, 72565, 83536, 104420, 116104, 143237, 145130, 208840, 232208, 286474, 290260, 417680, 572948, 580520, 716185, 1145896, 1161040, 1432370, 2291792, 2864740, 3294451, 5729480, 6588902, 11458960, 13177804, 16472255, 26355608, 32944510, 52711216, 65889020, 131778040, 263556080]

約数ペア:

[(1, 263556080), (2, 131778040), (4, 65889020), (5, 52711216), (8, 32944510), (10, 26355608), (16, 16472255), (20, 13177804), (23, 11458960), (40, 6588902), (46, 5729480), (80, 3294451), (92, 2864740), (115, 2291792), (184, 1432370), (227, 1161040), (230, 1145896), (368, 716185), (454, 580520), (460, 572948), (631, 417680), (908, 290260), (920, 286474), (1135, 232208), (1262, 208840), (1816, 145130), (1840, 143237), (2270, 116104), (2524, 104420), (3155, 83536), (3632, 72565), (4540, 58052), (5048, 52210), (5221, 50480), (6310, 41768), (9080, 29026), (10096, 26105), (10442, 25240), (12620, 20884), (14513, 18160)]