166940820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31981}}^1$

素因数の和:32025

約数の個数: 72

約数和(自身を含む): 523865160

約数和(自身を除く): 356924340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 31981, 63962, 95943, 127924, 159905, 191886, 287829, 319810, 383772, 479715, 575658, 639620, 927449, 959430, 1151316, 1439145, 1854898, 1918860, 2782347, 2878290, 3709796, 4637245, 5564694, 5756580, 8347041, 9274490, 11129388, 13911735, 16694082, 18548980, 27823470, 33388164, 41735205, 55646940, 83470410, 166940820]

約数ペア:

[(1, 166940820), (2, 83470410), (3, 55646940), (4, 41735205), (5, 33388164), (6, 27823470), (9, 18548980), (10, 16694082), (12, 13911735), (15, 11129388), (18, 9274490), (20, 8347041), (29, 5756580), (30, 5564694), (36, 4637245), (45, 3709796), (58, 2878290), (60, 2782347), (87, 1918860), (90, 1854898), (116, 1439145), (145, 1151316), (174, 959430), (180, 927449), (261, 639620), (290, 575658), (348, 479715), (435, 383772), (522, 319810), (580, 287829), (870, 191886), (1044, 159905), (1305, 127924), (1740, 95943), (2610, 63962), (5220, 31981)]