67761280

素因数分解:

$2^7\times 5^1\times {\mathrm{239}}^1\times {\mathrm{443}}^1$

素因数の和:701

約数の個数: 64

約数和(自身を含む): 163036800

約数和(自身を除く): 95275520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 239, 320, 443, 478, 640, 886, 956, 1195, 1772, 1912, 2215, 2390, 3544, 3824, 4430, 4780, 7088, 7648, 8860, 9560, 14176, 15296, 17720, 19120, 28352, 30592, 35440, 38240, 56704, 70880, 76480, 105877, 141760, 152960, 211754, 283520, 423508, 529385, 847016, 1058770, 1694032, 2117540, 3388064, 4235080, 6776128, 8470160, 13552256, 16940320, 33880640, 67761280]

約数ペア:

[(1, 67761280), (2, 33880640), (4, 16940320), (5, 13552256), (8, 8470160), (10, 6776128), (16, 4235080), (20, 3388064), (32, 2117540), (40, 1694032), (64, 1058770), (80, 847016), (128, 529385), (160, 423508), (239, 283520), (320, 211754), (443, 152960), (478, 141760), (640, 105877), (886, 76480), (956, 70880), (1195, 56704), (1772, 38240), (1912, 35440), (2215, 30592), (2390, 28352), (3544, 19120), (3824, 17720), (4430, 15296), (4780, 14176), (7088, 9560), (7648, 8860)]