90161680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{691}}^1$

素因数の和:944

約数の個数: 80

約数和(自身を含む): 240948864

約数和(自身を除く): 150787184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 233, 280, 466, 560, 691, 932, 1165, 1382, 1631, 1864, 2330, 2764, 3262, 3455, 3728, 4660, 4837, 5528, 6524, 6910, 8155, 9320, 9674, 11056, 13048, 13820, 16310, 18640, 19348, 24185, 26096, 27640, 32620, 38696, 48370, 55280, 65240, 77392, 96740, 130480, 161003, 193480, 322006, 386960, 644012, 805015, 1127021, 1288024, 1610030, 2254042, 2576048, 3220060, 4508084, 5635105, 6440120, 9016168, 11270210, 12880240, 18032336, 22540420, 45080840, 90161680]

約数ペア:

[(1, 90161680), (2, 45080840), (4, 22540420), (5, 18032336), (7, 12880240), (8, 11270210), (10, 9016168), (14, 6440120), (16, 5635105), (20, 4508084), (28, 3220060), (35, 2576048), (40, 2254042), (56, 1610030), (70, 1288024), (80, 1127021), (112, 805015), (140, 644012), (233, 386960), (280, 322006), (466, 193480), (560, 161003), (691, 130480), (932, 96740), (1165, 77392), (1382, 65240), (1631, 55280), (1864, 48370), (2330, 38696), (2764, 32620), (3262, 27640), (3455, 26096), (3728, 24185), (4660, 19348), (4837, 18640), (5528, 16310), (6524, 13820), (6910, 13048), (8155, 11056), (9320, 9674)]