31117360

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 75932640

約数和(自身を除く): 44815280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 53, 80, 82, 106, 164, 179, 205, 212, 265, 328, 358, 410, 424, 530, 656, 716, 820, 848, 895, 1060, 1432, 1640, 1790, 2120, 2173, 2864, 3280, 3580, 4240, 4346, 7160, 7339, 8692, 9487, 10865, 14320, 14678, 17384, 18974, 21730, 29356, 34768, 36695, 37948, 43460, 47435, 58712, 73390, 75896, 86920, 94870, 117424, 146780, 151792, 173840, 189740, 293560, 379480, 388967, 587120, 758960, 777934, 1555868, 1944835, 3111736, 3889670, 6223472, 7779340, 15558680, 31117360]

約数ペア:

[(1, 31117360), (2, 15558680), (4, 7779340), (5, 6223472), (8, 3889670), (10, 3111736), (16, 1944835), (20, 1555868), (40, 777934), (41, 758960), (53, 587120), (80, 388967), (82, 379480), (106, 293560), (164, 189740), (179, 173840), (205, 151792), (212, 146780), (265, 117424), (328, 94870), (358, 86920), (410, 75896), (424, 73390), (530, 58712), (656, 47435), (716, 43460), (820, 37948), (848, 36695), (895, 34768), (1060, 29356), (1432, 21730), (1640, 18974), (1790, 17384), (2120, 14678), (2173, 14320), (2864, 10865), (3280, 9487), (3580, 8692), (4240, 7339), (4346, 7160)]