28446180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{761}}^1$

素因数の和:869

約数の個数: 96

約数和(自身を含む): 92171520

約数和(自身を除く): 63725340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 89, 105, 140, 178, 210, 267, 356, 420, 445, 534, 623, 761, 890, 1068, 1246, 1335, 1522, 1780, 1869, 2283, 2492, 2670, 3044, 3115, 3738, 3805, 4566, 5327, 5340, 6230, 7476, 7610, 9132, 9345, 10654, 11415, 12460, 15220, 15981, 18690, 21308, 22830, 26635, 31962, 37380, 45660, 53270, 63924, 67729, 79905, 106540, 135458, 159810, 203187, 270916, 319620, 338645, 406374, 474103, 677290, 812748, 948206, 1015935, 1354580, 1422309, 1896412, 2031870, 2370515, 2844618, 4063740, 4741030, 5689236, 7111545, 9482060, 14223090, 28446180]

約数ペア:

[(1, 28446180), (2, 14223090), (3, 9482060), (4, 7111545), (5, 5689236), (6, 4741030), (7, 4063740), (10, 2844618), (12, 2370515), (14, 2031870), (15, 1896412), (20, 1422309), (21, 1354580), (28, 1015935), (30, 948206), (35, 812748), (42, 677290), (60, 474103), (70, 406374), (84, 338645), (89, 319620), (105, 270916), (140, 203187), (178, 159810), (210, 135458), (267, 106540), (356, 79905), (420, 67729), (445, 63924), (534, 53270), (623, 45660), (761, 37380), (890, 31962), (1068, 26635), (1246, 22830), (1335, 21308), (1522, 18690), (1780, 15981), (1869, 15220), (2283, 12460), (2492, 11415), (2670, 10654), (3044, 9345), (3115, 9132), (3738, 7610), (3805, 7476), (4566, 6230), (5327, 5340)]