81381690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69557}}^1$

素因数の和:69583

約数の個数: 48

約数和(自身を含む): 227872008

約数和(自身を除く): 146490318

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 69557, 139114, 208671, 347785, 417342, 626013, 695570, 904241, 1043355, 1252026, 1808482, 2086710, 2712723, 3130065, 4521205, 5425446, 6260130, 8138169, 9042410, 13563615, 16276338, 27127230, 40690845, 81381690]

約数ペア:

[(1, 81381690), (2, 40690845), (3, 27127230), (5, 16276338), (6, 13563615), (9, 9042410), (10, 8138169), (13, 6260130), (15, 5425446), (18, 4521205), (26, 3130065), (30, 2712723), (39, 2086710), (45, 1808482), (65, 1252026), (78, 1043355), (90, 904241), (117, 695570), (130, 626013), (195, 417342), (234, 347785), (390, 208671), (585, 139114), (1170, 69557)]