156775780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1747}}^1$

素因数の和:2404

約数の個数: 48

約数和(自身を含む): 377064576

約数和(自身を除く): 220288796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 641, 1282, 1747, 2564, 3205, 3494, 4487, 6410, 6988, 8735, 8974, 12229, 12820, 17470, 17948, 22435, 24458, 34940, 44870, 48916, 61145, 89740, 122290, 244580, 1119827, 2239654, 4479308, 5599135, 7838789, 11198270, 15677578, 22396540, 31355156, 39193945, 78387890, 156775780]

約数ペア:

[(1, 156775780), (2, 78387890), (4, 39193945), (5, 31355156), (7, 22396540), (10, 15677578), (14, 11198270), (20, 7838789), (28, 5599135), (35, 4479308), (70, 2239654), (140, 1119827), (641, 244580), (1282, 122290), (1747, 89740), (2564, 61145), (3205, 48916), (3494, 44870), (4487, 34940), (6410, 24458), (6988, 22435), (8735, 17948), (8974, 17470), (12229, 12820)]