1227444640

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{70381}}^1$

素因数の和:70505

約数の個数: 48

約数和(自身を含む): 2926483560

約数和(自身を除く): 1699038920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 8720, 17440, 70381, 140762, 281524, 351905, 563048, 703810, 1126096, 1407620, 2252192, 2815240, 5630480, 7671529, 11260960, 15343058, 30686116, 38357645, 61372232, 76715290, 122744464, 153430580, 245488928, 306861160, 613722320, 1227444640]

約数ペア:

[(1, 1227444640), (2, 613722320), (4, 306861160), (5, 245488928), (8, 153430580), (10, 122744464), (16, 76715290), (20, 61372232), (32, 38357645), (40, 30686116), (80, 15343058), (109, 11260960), (160, 7671529), (218, 5630480), (436, 2815240), (545, 2252192), (872, 1407620), (1090, 1126096), (1744, 703810), (2180, 563048), (3488, 351905), (4360, 281524), (8720, 140762), (17440, 70381)]