1680937984

素因数分解:

$2^{10}\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1889}}^1$

素因数の和:1999

約数の個数: 88

約数和(自身を含む): 3714076800

約数和(自身を除く): 2033138816

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 79, 88, 128, 158, 176, 256, 316, 352, 512, 632, 704, 869, 1024, 1264, 1408, 1738, 1889, 2528, 2816, 3476, 3778, 5056, 5632, 6952, 7556, 10112, 11264, 13904, 15112, 20224, 20779, 27808, 30224, 40448, 41558, 55616, 60448, 80896, 83116, 111232, 120896, 149231, 166232, 222464, 241792, 298462, 332464, 444928, 483584, 596924, 664928, 889856, 967168, 1193848, 1329856, 1641541, 1934336, 2387696, 2659712, 3283082, 4775392, 5319424, 6566164, 9550784, 10638848, 13132328, 19101568, 21277696, 26264656, 38203136, 52529312, 76406272, 105058624, 152812544, 210117248, 420234496, 840468992, 1680937984]

約数ペア:

[(1, 1680937984), (2, 840468992), (4, 420234496), (8, 210117248), (11, 152812544), (16, 105058624), (22, 76406272), (32, 52529312), (44, 38203136), (64, 26264656), (79, 21277696), (88, 19101568), (128, 13132328), (158, 10638848), (176, 9550784), (256, 6566164), (316, 5319424), (352, 4775392), (512, 3283082), (632, 2659712), (704, 2387696), (869, 1934336), (1024, 1641541), (1264, 1329856), (1408, 1193848), (1738, 967168), (1889, 889856), (2528, 664928), (2816, 596924), (3476, 483584), (3778, 444928), (5056, 332464), (5632, 298462), (6952, 241792), (7556, 222464), (10112, 166232), (11264, 149231), (13904, 120896), (15112, 111232), (20224, 83116), (20779, 80896), (27808, 60448), (30224, 55616), (40448, 41558)]