80141820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3917}}^1$

素因数の和:3971

約数の個数: 96

約数和(自身を含む): 252758016

約数和(自身を除く): 172616196

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 44, 55, 60, 62, 66, 93, 110, 124, 132, 155, 165, 186, 220, 310, 330, 341, 372, 465, 620, 660, 682, 930, 1023, 1364, 1705, 1860, 2046, 3410, 3917, 4092, 5115, 6820, 7834, 10230, 11751, 15668, 19585, 20460, 23502, 39170, 43087, 47004, 58755, 78340, 86174, 117510, 121427, 129261, 172348, 215435, 235020, 242854, 258522, 364281, 430870, 485708, 517044, 607135, 646305, 728562, 861740, 1214270, 1292610, 1335697, 1457124, 1821405, 2428540, 2585220, 2671394, 3642810, 4007091, 5342788, 6678485, 7285620, 8014182, 13356970, 16028364, 20035455, 26713940, 40070910, 80141820]

約数ペア:

[(1, 80141820), (2, 40070910), (3, 26713940), (4, 20035455), (5, 16028364), (6, 13356970), (10, 8014182), (11, 7285620), (12, 6678485), (15, 5342788), (20, 4007091), (22, 3642810), (30, 2671394), (31, 2585220), (33, 2428540), (44, 1821405), (55, 1457124), (60, 1335697), (62, 1292610), (66, 1214270), (93, 861740), (110, 728562), (124, 646305), (132, 607135), (155, 517044), (165, 485708), (186, 430870), (220, 364281), (310, 258522), (330, 242854), (341, 235020), (372, 215435), (465, 172348), (620, 129261), (660, 121427), (682, 117510), (930, 86174), (1023, 78340), (1364, 58755), (1705, 47004), (1860, 43087), (2046, 39170), (3410, 23502), (3917, 20460), (4092, 19585), (5115, 15668), (6820, 11751), (7834, 10230)]