17784540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3407}}^1$

素因数の和:3451

約数の個数: 72

約数和(自身を含む): 55823040

約数和(自身を除く): 38038500

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, 3407, 5220, 6814, 10221, 13628, 17035, 20442, 30663, 34070, 40884, 51105, 61326, 68140, 98803, 102210, 122652, 153315, 197606, 204420, 296409, 306630, 395212, 494015, 592818, 613260, 889227, 988030, 1185636, 1482045, 1778454, 1976060, 2964090, 3556908, 4446135, 5928180, 8892270, 17784540]

約数ペア:

[(1, 17784540), (2, 8892270), (3, 5928180), (4, 4446135), (5, 3556908), (6, 2964090), (9, 1976060), (10, 1778454), (12, 1482045), (15, 1185636), (18, 988030), (20, 889227), (29, 613260), (30, 592818), (36, 494015), (45, 395212), (58, 306630), (60, 296409), (87, 204420), (90, 197606), (116, 153315), (145, 122652), (174, 102210), (180, 98803), (261, 68140), (290, 61326), (348, 51105), (435, 40884), (522, 34070), (580, 30663), (870, 20442), (1044, 17035), (1305, 13628), (1740, 10221), (2610, 6814), (3407, 5220)]