30518820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3943}}^1$

素因数の和:4001

約数の個数: 72

約数和(自身を含む): 94750656

約数和(自身を除く): 64231836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 3943, 7740, 7886, 11829, 15772, 19715, 23658, 35487, 39430, 47316, 59145, 70974, 78860, 118290, 141948, 169549, 177435, 236580, 339098, 354870, 508647, 678196, 709740, 847745, 1017294, 1525941, 1695490, 2034588, 2543235, 3051882, 3390980, 5086470, 6103764, 7629705, 10172940, 15259410, 30518820]

約数ペア:

[(1, 30518820), (2, 15259410), (3, 10172940), (4, 7629705), (5, 6103764), (6, 5086470), (9, 3390980), (10, 3051882), (12, 2543235), (15, 2034588), (18, 1695490), (20, 1525941), (30, 1017294), (36, 847745), (43, 709740), (45, 678196), (60, 508647), (86, 354870), (90, 339098), (129, 236580), (172, 177435), (180, 169549), (215, 141948), (258, 118290), (387, 78860), (430, 70974), (516, 59145), (645, 47316), (774, 39430), (860, 35487), (1290, 23658), (1548, 19715), (1935, 15772), (2580, 11829), (3870, 7886), (3943, 7740)]