81736380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41281}}^1$

素因数の和:41307

約数の個数: 72

約数和(自身を含む): 270479664

約数和(自身を除く): 188743284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 41281, 82562, 123843, 165124, 206405, 247686, 371529, 412810, 454091, 495372, 619215, 743058, 825620, 908182, 1238430, 1362273, 1486116, 1816364, 1857645, 2270455, 2476860, 2724546, 3715290, 4086819, 4540910, 5449092, 6811365, 7430580, 8173638, 9081820, 13622730, 16347276, 20434095, 27245460, 40868190, 81736380]

約数ペア:

[(1, 81736380), (2, 40868190), (3, 27245460), (4, 20434095), (5, 16347276), (6, 13622730), (9, 9081820), (10, 8173638), (11, 7430580), (12, 6811365), (15, 5449092), (18, 4540910), (20, 4086819), (22, 3715290), (30, 2724546), (33, 2476860), (36, 2270455), (44, 1857645), (45, 1816364), (55, 1486116), (60, 1362273), (66, 1238430), (90, 908182), (99, 825620), (110, 743058), (132, 619215), (165, 495372), (180, 454091), (198, 412810), (220, 371529), (330, 247686), (396, 206405), (495, 165124), (660, 123843), (990, 82562), (1980, 41281)]