81780996

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{373}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 211701952

約数和(自身を除く): 129920956

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 121, 132, 151, 242, 302, 363, 373, 453, 484, 604, 726, 746, 906, 1119, 1452, 1492, 1661, 1812, 2238, 3322, 4103, 4476, 4983, 6644, 8206, 9966, 12309, 16412, 18271, 19932, 24618, 36542, 45133, 49236, 54813, 56323, 73084, 90266, 109626, 112646, 135399, 168969, 180532, 219252, 225292, 270798, 337938, 541596, 619553, 675876, 1239106, 1858659, 2478212, 3717318, 6815083, 7434636, 13630166, 20445249, 27260332, 40890498, 81780996]

約数ペア:

[(1, 81780996), (2, 40890498), (3, 27260332), (4, 20445249), (6, 13630166), (11, 7434636), (12, 6815083), (22, 3717318), (33, 2478212), (44, 1858659), (66, 1239106), (121, 675876), (132, 619553), (151, 541596), (242, 337938), (302, 270798), (363, 225292), (373, 219252), (453, 180532), (484, 168969), (604, 135399), (726, 112646), (746, 109626), (906, 90266), (1119, 73084), (1452, 56323), (1492, 54813), (1661, 49236), (1812, 45133), (2238, 36542), (3322, 24618), (4103, 19932), (4476, 18271), (4983, 16412), (6644, 12309), (8206, 9966)]