80400924

素因数分解:

$2^2\times 3^5\times {\mathrm{181}}^1\times {\mathrm{457}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 212391088

約数和(自身を除く): 131990164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 181, 243, 324, 362, 457, 486, 543, 724, 914, 972, 1086, 1371, 1629, 1828, 2172, 2742, 3258, 4113, 4887, 5484, 6516, 8226, 9774, 12339, 14661, 16452, 19548, 24678, 29322, 37017, 43983, 49356, 58644, 74034, 82717, 87966, 111051, 148068, 165434, 175932, 222102, 248151, 330868, 444204, 496302, 744453, 992604, 1488906, 2233359, 2977812, 4466718, 6700077, 8933436, 13400154, 20100231, 26800308, 40200462, 80400924]

約数ペア:

[(1, 80400924), (2, 40200462), (3, 26800308), (4, 20100231), (6, 13400154), (9, 8933436), (12, 6700077), (18, 4466718), (27, 2977812), (36, 2233359), (54, 1488906), (81, 992604), (108, 744453), (162, 496302), (181, 444204), (243, 330868), (324, 248151), (362, 222102), (457, 175932), (486, 165434), (543, 148068), (724, 111051), (914, 87966), (972, 82717), (1086, 74034), (1371, 58644), (1629, 49356), (1828, 43983), (2172, 37017), (2742, 29322), (3258, 24678), (4113, 19548), (4887, 16452), (5484, 14661), (6516, 12339), (8226, 9774)]