78850720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:422

約数の個数: 96

約数和(自身を含む): 202704768

約数和(自身を除く): 123854048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 167, 208, 227, 260, 334, 416, 454, 520, 668, 835, 908, 1040, 1135, 1336, 1670, 1816, 2080, 2171, 2270, 2672, 2951, 3340, 3632, 4342, 4540, 5344, 5902, 6680, 7264, 8684, 9080, 10855, 11804, 13360, 14755, 17368, 18160, 21710, 23608, 26720, 29510, 34736, 36320, 37909, 43420, 47216, 59020, 69472, 75818, 86840, 94432, 118040, 151636, 173680, 189545, 236080, 303272, 347360, 379090, 472160, 492817, 606544, 758180, 985634, 1213088, 1516360, 1971268, 2464085, 3032720, 3942536, 4928170, 6065440, 7885072, 9856340, 15770144, 19712680, 39425360, 78850720]

約数ペア:

[(1, 78850720), (2, 39425360), (4, 19712680), (5, 15770144), (8, 9856340), (10, 7885072), (13, 6065440), (16, 4928170), (20, 3942536), (26, 3032720), (32, 2464085), (40, 1971268), (52, 1516360), (65, 1213088), (80, 985634), (104, 758180), (130, 606544), (160, 492817), (167, 472160), (208, 379090), (227, 347360), (260, 303272), (334, 236080), (416, 189545), (454, 173680), (520, 151636), (668, 118040), (835, 94432), (908, 86840), (1040, 75818), (1135, 69472), (1336, 59020), (1670, 47216), (1816, 43420), (2080, 37909), (2171, 36320), (2270, 34736), (2672, 29510), (2951, 26720), (3340, 23608), (3632, 21710), (4342, 18160), (4540, 17368), (5344, 14755), (5902, 13360), (6680, 11804), (7264, 10855), (8684, 9080)]