78172480

素因数分解:

$2^6\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1279}}^1$

素因数の和:1487

約数の個数: 56

約数和(自身を含む): 187269120

約数和(自身を除く): 109096640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 191, 320, 382, 764, 955, 1279, 1528, 1910, 2558, 3056, 3820, 5116, 6112, 6395, 7640, 10232, 12224, 12790, 15280, 20464, 25580, 30560, 40928, 51160, 61120, 81856, 102320, 204640, 244289, 409280, 488578, 977156, 1221445, 1954312, 2442890, 3908624, 4885780, 7817248, 9771560, 15634496, 19543120, 39086240, 78172480]

約数ペア:

[(1, 78172480), (2, 39086240), (4, 19543120), (5, 15634496), (8, 9771560), (10, 7817248), (16, 4885780), (20, 3908624), (32, 2442890), (40, 1954312), (64, 1221445), (80, 977156), (160, 488578), (191, 409280), (320, 244289), (382, 204640), (764, 102320), (955, 81856), (1279, 61120), (1528, 51160), (1910, 40928), (2558, 30560), (3056, 25580), (3820, 20464), (5116, 15280), (6112, 12790), (6395, 12224), (7640, 10232)]