81181110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1951}}^1$

素因数の和:2053

約数の個数: 64

約数和(自身を含む): 208005120

約数和(自身を除く): 126824010

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 73, 95, 114, 146, 190, 219, 285, 365, 438, 570, 730, 1095, 1387, 1951, 2190, 2774, 3902, 4161, 5853, 6935, 8322, 9755, 11706, 13870, 19510, 20805, 29265, 37069, 41610, 58530, 74138, 111207, 142423, 185345, 222414, 284846, 370690, 427269, 556035, 712115, 854538, 1112070, 1424230, 2136345, 2706037, 4272690, 5412074, 8118111, 13530185, 16236222, 27060370, 40590555, 81181110]

約数ペア:

[(1, 81181110), (2, 40590555), (3, 27060370), (5, 16236222), (6, 13530185), (10, 8118111), (15, 5412074), (19, 4272690), (30, 2706037), (38, 2136345), (57, 1424230), (73, 1112070), (95, 854538), (114, 712115), (146, 556035), (190, 427269), (219, 370690), (285, 284846), (365, 222414), (438, 185345), (570, 142423), (730, 111207), (1095, 74138), (1387, 58530), (1951, 41610), (2190, 37069), (2774, 29265), (3902, 20805), (4161, 19510), (5853, 13870), (6935, 11706), (8322, 9755)]