81174060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3727}}^1$

素因数の和:3764

約数の個数: 108

約数和(自身を含む): 270719904

約数和(自身を除く): 189545844

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, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 3727, 4356, 5445, 7260, 7454, 10890, 11181, 14908, 18635, 21780, 22362, 33543, 37270, 40997, 44724, 55905, 67086, 74540, 81994, 111810, 122991, 134172, 163988, 167715, 204985, 223620, 245982, 335430, 368973, 409970, 450967, 491964, 614955, 670860, 737946, 819940, 901934, 1229910, 1352901, 1475892, 1803868, 1844865, 2254835, 2459820, 2705802, 3689730, 4058703, 4509670, 5411604, 6764505, 7379460, 8117406, 9019340, 13529010, 16234812, 20293515, 27058020, 40587030, 81174060]

約数ペア:

[(1, 81174060), (2, 40587030), (3, 27058020), (4, 20293515), (5, 16234812), (6, 13529010), (9, 9019340), (10, 8117406), (11, 7379460), (12, 6764505), (15, 5411604), (18, 4509670), (20, 4058703), (22, 3689730), (30, 2705802), (33, 2459820), (36, 2254835), (44, 1844865), (45, 1803868), (55, 1475892), (60, 1352901), (66, 1229910), (90, 901934), (99, 819940), (110, 737946), (121, 670860), (132, 614955), (165, 491964), (180, 450967), (198, 409970), (220, 368973), (242, 335430), (330, 245982), (363, 223620), (396, 204985), (484, 167715), (495, 163988), (605, 134172), (660, 122991), (726, 111810), (990, 81994), (1089, 74540), (1210, 67086), (1452, 55905), (1815, 44724), (1980, 40997), (2178, 37270), (2420, 33543), (3630, 22362), (3727, 21780), (4356, 18635), (5445, 14908), (7260, 11181), (7454, 10890)]