908415040

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1571}}^1$

素因数の和:1740

約数の個数: 112

約数和(自身を含む): 2347813440

約数和(自身を除く): 1439398400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 139, 160, 208, 260, 278, 320, 416, 520, 556, 695, 832, 1040, 1112, 1390, 1571, 1807, 2080, 2224, 2780, 3142, 3614, 4160, 4448, 5560, 6284, 7228, 7855, 8896, 9035, 11120, 12568, 14456, 15710, 18070, 20423, 22240, 25136, 28912, 31420, 36140, 40846, 44480, 50272, 57824, 62840, 72280, 81692, 100544, 102115, 115648, 125680, 144560, 163384, 204230, 218369, 251360, 289120, 326768, 408460, 436738, 502720, 578240, 653536, 816920, 873476, 1091845, 1307072, 1633840, 1746952, 2183690, 2838797, 3267680, 3493904, 4367380, 5677594, 6535360, 6987808, 8734760, 11355188, 13975616, 14193985, 17469520, 22710376, 28387970, 34939040, 45420752, 56775940, 69878080, 90841504, 113551880, 181683008, 227103760, 454207520, 908415040]

約数ペア:

[(1, 908415040), (2, 454207520), (4, 227103760), (5, 181683008), (8, 113551880), (10, 90841504), (13, 69878080), (16, 56775940), (20, 45420752), (26, 34939040), (32, 28387970), (40, 22710376), (52, 17469520), (64, 14193985), (65, 13975616), (80, 11355188), (104, 8734760), (130, 6987808), (139, 6535360), (160, 5677594), (208, 4367380), (260, 3493904), (278, 3267680), (320, 2838797), (416, 2183690), (520, 1746952), (556, 1633840), (695, 1307072), (832, 1091845), (1040, 873476), (1112, 816920), (1390, 653536), (1571, 578240), (1807, 502720), (2080, 436738), (2224, 408460), (2780, 326768), (3142, 289120), (3614, 251360), (4160, 218369), (4448, 204230), (5560, 163384), (6284, 144560), (7228, 125680), (7855, 115648), (8896, 102115), (9035, 100544), (11120, 81692), (12568, 72280), (14456, 62840), (15710, 57824), (18070, 50272), (20423, 44480), (22240, 40846), (25136, 36140), (28912, 31420)]