84855780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2393}}^1$

素因数の和:2605

約数の個数: 72

約数和(自身を含む): 258810552

約数和(自身を除く): 173954772

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, 2393, 2955, 3546, 3940, 4786, 5910, 7092, 7179, 8865, 9572, 11820, 11965, 14358, 17730, 21537, 23930, 28716, 35460, 35895, 43074, 47860, 71790, 86148, 107685, 143580, 215370, 430740, 471421, 942842, 1414263, 1885684, 2357105, 2828526, 4242789, 4714210, 5657052, 7071315, 8485578, 9428420, 14142630, 16971156, 21213945, 28285260, 42427890, 84855780]

約数ペア:

[(1, 84855780), (2, 42427890), (3, 28285260), (4, 21213945), (5, 16971156), (6, 14142630), (9, 9428420), (10, 8485578), (12, 7071315), (15, 5657052), (18, 4714210), (20, 4242789), (30, 2828526), (36, 2357105), (45, 1885684), (60, 1414263), (90, 942842), (180, 471421), (197, 430740), (394, 215370), (591, 143580), (788, 107685), (985, 86148), (1182, 71790), (1773, 47860), (1970, 43074), (2364, 35895), (2393, 35460), (2955, 28716), (3546, 23930), (3940, 21537), (4786, 17730), (5910, 14358), (7092, 11965), (7179, 11820), (8865, 9572)]