640737463260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{119988289}}^1$

素因数の和:119988390

約数の個数: 48

約数和(自身を含む): 1814222944800

約数和(自身を除く): 1173485481540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 119988289, 239976578, 359964867, 479953156, 599941445, 719929734, 1199882890, 1439859468, 1799824335, 2399765780, 3599648670, 7199297340, 10678957721, 21357915442, 32036873163, 42715830884, 53394788605, 64073746326, 106789577210, 128147492652, 160184365815, 213579154420, 320368731630, 640737463260]

約数ペア:

[(1, 640737463260), (2, 320368731630), (3, 213579154420), (4, 160184365815), (5, 128147492652), (6, 106789577210), (10, 64073746326), (12, 53394788605), (15, 42715830884), (20, 32036873163), (30, 21357915442), (60, 10678957721), (89, 7199297340), (178, 3599648670), (267, 2399765780), (356, 1799824335), (445, 1439859468), (534, 1199882890), (890, 719929734), (1068, 599941445), (1335, 479953156), (1780, 359964867), (2670, 239976578), (5340, 119988289)]