28370280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13907}}^1$

素因数の和:13938

約数の個数: 64

約数和(自身を含む): 90123840

約数和(自身を除く): 61753560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 13907, 27814, 41721, 55628, 69535, 83442, 111256, 139070, 166884, 208605, 236419, 278140, 333768, 417210, 472838, 556280, 709257, 834420, 945676, 1182095, 1418514, 1668840, 1891352, 2364190, 2837028, 3546285, 4728380, 5674056, 7092570, 9456760, 14185140, 28370280]

約数ペア:

[(1, 28370280), (2, 14185140), (3, 9456760), (4, 7092570), (5, 5674056), (6, 4728380), (8, 3546285), (10, 2837028), (12, 2364190), (15, 1891352), (17, 1668840), (20, 1418514), (24, 1182095), (30, 945676), (34, 834420), (40, 709257), (51, 556280), (60, 472838), (68, 417210), (85, 333768), (102, 278140), (120, 236419), (136, 208605), (170, 166884), (204, 139070), (255, 111256), (340, 83442), (408, 69535), (510, 55628), (680, 41721), (1020, 27814), (2040, 13907)]