2856551220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{80557}}^1$

素因数の和:80769

約数の個数: 72

約数和(自身を含む): 8708964264

約数和(自身を除く): 5852413044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2364, 2955, 3546, 3940, 5910, 7092, 8865, 11820, 17730, 35460, 80557, 161114, 241671, 322228, 402785, 483342, 725013, 805570, 966684, 1208355, 1450026, 1611140, 2416710, 2900052, 3625065, 4833420, 7250130, 14500260, 15869729, 31739458, 47609187, 63478916, 79348645, 95218374, 142827561, 158697290, 190436748, 238045935, 285655122, 317394580, 476091870, 571310244, 714137805, 952183740, 1428275610, 2856551220]

約数ペア:

[(1, 2856551220), (2, 1428275610), (3, 952183740), (4, 714137805), (5, 571310244), (6, 476091870), (9, 317394580), (10, 285655122), (12, 238045935), (15, 190436748), (18, 158697290), (20, 142827561), (30, 95218374), (36, 79348645), (45, 63478916), (60, 47609187), (90, 31739458), (180, 15869729), (197, 14500260), (394, 7250130), (591, 4833420), (788, 3625065), (985, 2900052), (1182, 2416710), (1773, 1611140), (1970, 1450026), (2364, 1208355), (2955, 966684), (3546, 805570), (3940, 725013), (5910, 483342), (7092, 402785), (8865, 322228), (11820, 241671), (17730, 161114), (35460, 80557)]