80561488

素因数分解:

$2^4\times 7^2\times {\mathrm{211}}^1\times {\mathrm{487}}^1$

素因数の和:720

約数の個数: 60

約数和(自身を含む): 182806752

約数和(自身を除く): 102245264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 211, 392, 422, 487, 784, 844, 974, 1477, 1688, 1948, 2954, 3376, 3409, 3896, 5908, 6818, 7792, 10339, 11816, 13636, 20678, 23632, 23863, 27272, 41356, 47726, 54544, 82712, 95452, 102757, 165424, 190904, 205514, 381808, 411028, 719299, 822056, 1438598, 1644112, 2877196, 5035093, 5754392, 10070186, 11508784, 20140372, 40280744, 80561488]

約数ペア:

[(1, 80561488), (2, 40280744), (4, 20140372), (7, 11508784), (8, 10070186), (14, 5754392), (16, 5035093), (28, 2877196), (49, 1644112), (56, 1438598), (98, 822056), (112, 719299), (196, 411028), (211, 381808), (392, 205514), (422, 190904), (487, 165424), (784, 102757), (844, 95452), (974, 82712), (1477, 54544), (1688, 47726), (1948, 41356), (2954, 27272), (3376, 23863), (3409, 23632), (3896, 20678), (5908, 13636), (6818, 11816), (7792, 10339)]