639640426560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2987857}}^1$

素因数の和:2988100

約数の個数: 112

約数和(自身を含む): 2039966025216

約数和(自身を除く): 1400325598656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 223, 240, 320, 446, 480, 669, 892, 960, 1115, 1338, 1784, 2230, 2676, 3345, 3568, 4460, 5352, 6690, 7136, 8920, 10704, 13380, 14272, 17840, 21408, 26760, 35680, 42816, 53520, 71360, 107040, 214080, 2987857, 5975714, 8963571, 11951428, 14939285, 17927142, 23902856, 29878570, 35854284, 44817855, 47805712, 59757140, 71708568, 89635710, 95611424, 119514280, 143417136, 179271420, 191222848, 239028560, 286834272, 358542840, 478057120, 573668544, 666292111, 717085680, 956114240, 1332584222, 1434171360, 1998876333, 2665168444, 2868342720, 3331460555, 3997752666, 5330336888, 6662921110, 7995505332, 9994381665, 10660673776, 13325842220, 15991010664, 19988763330, 21321347552, 26651684440, 31982021328, 39977526660, 42642695104, 53303368880, 63964042656, 79955053320, 106606737760, 127928085312, 159910106640, 213213475520, 319820213280, 639640426560]

約数ペア:

[(1, 639640426560), (2, 319820213280), (3, 213213475520), (4, 159910106640), (5, 127928085312), (6, 106606737760), (8, 79955053320), (10, 63964042656), (12, 53303368880), (15, 42642695104), (16, 39977526660), (20, 31982021328), (24, 26651684440), (30, 21321347552), (32, 19988763330), (40, 15991010664), (48, 13325842220), (60, 10660673776), (64, 9994381665), (80, 7995505332), (96, 6662921110), (120, 5330336888), (160, 3997752666), (192, 3331460555), (223, 2868342720), (240, 2665168444), (320, 1998876333), (446, 1434171360), (480, 1332584222), (669, 956114240), (892, 717085680), (960, 666292111), (1115, 573668544), (1338, 478057120), (1784, 358542840), (2230, 286834272), (2676, 239028560), (3345, 191222848), (3568, 179271420), (4460, 143417136), (5352, 119514280), (6690, 95611424), (7136, 89635710), (8920, 71708568), (10704, 59757140), (13380, 47805712), (14272, 44817855), (17840, 35854284), (21408, 29878570), (26760, 23902856), (35680, 17927142), (42816, 14939285), (53520, 11951428), (71360, 8963571), (107040, 5975714), (214080, 2987857)]