8212140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1061}}^1$

素因数の和:1119

約数の個数: 72

約数和(自身を含む): 25513488

約数和(自身を除く): 17301348

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, 1061, 1290, 1548, 1935, 2122, 2580, 3183, 3870, 4244, 5305, 6366, 7740, 9549, 10610, 12732, 15915, 19098, 21220, 31830, 38196, 45623, 47745, 63660, 91246, 95490, 136869, 182492, 190980, 228115, 273738, 410607, 456230, 547476, 684345, 821214, 912460, 1368690, 1642428, 2053035, 2737380, 4106070, 8212140]

約数ペア:

[(1, 8212140), (2, 4106070), (3, 2737380), (4, 2053035), (5, 1642428), (6, 1368690), (9, 912460), (10, 821214), (12, 684345), (15, 547476), (18, 456230), (20, 410607), (30, 273738), (36, 228115), (43, 190980), (45, 182492), (60, 136869), (86, 95490), (90, 91246), (129, 63660), (172, 47745), (180, 45623), (215, 38196), (258, 31830), (387, 21220), (430, 19098), (516, 15915), (645, 12732), (774, 10610), (860, 9549), (1061, 7740), (1290, 6366), (1548, 5305), (1935, 4244), (2122, 3870), (2580, 3183)]