264928480

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1723}}^1$

素因数の和:1800

約数の個数: 72

約数和(自身を含む): 647110296

約数和(自身を除く): 382181816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 961, 992, 1240, 1723, 1922, 2480, 3446, 3844, 4805, 4960, 6892, 7688, 8615, 9610, 13784, 15376, 17230, 19220, 27568, 30752, 34460, 38440, 53413, 55136, 68920, 76880, 106826, 137840, 153760, 213652, 267065, 275680, 427304, 534130, 854608, 1068260, 1655803, 1709216, 2136520, 3311606, 4273040, 6623212, 8279015, 8546080, 13246424, 16558030, 26492848, 33116060, 52985696, 66232120, 132464240, 264928480]

約数ペア:

[(1, 264928480), (2, 132464240), (4, 66232120), (5, 52985696), (8, 33116060), (10, 26492848), (16, 16558030), (20, 13246424), (31, 8546080), (32, 8279015), (40, 6623212), (62, 4273040), (80, 3311606), (124, 2136520), (155, 1709216), (160, 1655803), (248, 1068260), (310, 854608), (496, 534130), (620, 427304), (961, 275680), (992, 267065), (1240, 213652), (1723, 153760), (1922, 137840), (2480, 106826), (3446, 76880), (3844, 68920), (4805, 55136), (4960, 53413), (6892, 38440), (7688, 34460), (8615, 30752), (9610, 27568), (13784, 19220), (15376, 17230)]