16493940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2131}}^1$

素因数の和:2189

約数の個数: 72

約数和(自身を含む): 51219168

約数和(自身を除く): 34725228

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, 2131, 2580, 3870, 4262, 6393, 7740, 8524, 10655, 12786, 19179, 21310, 25572, 31965, 38358, 42620, 63930, 76716, 91633, 95895, 127860, 183266, 191790, 274899, 366532, 383580, 458165, 549798, 824697, 916330, 1099596, 1374495, 1649394, 1832660, 2748990, 3298788, 4123485, 5497980, 8246970, 16493940]

約数ペア:

[(1, 16493940), (2, 8246970), (3, 5497980), (4, 4123485), (5, 3298788), (6, 2748990), (9, 1832660), (10, 1649394), (12, 1374495), (15, 1099596), (18, 916330), (20, 824697), (30, 549798), (36, 458165), (43, 383580), (45, 366532), (60, 274899), (86, 191790), (90, 183266), (129, 127860), (172, 95895), (180, 91633), (215, 76716), (258, 63930), (387, 42620), (430, 38358), (516, 31965), (645, 25572), (774, 21310), (860, 19179), (1290, 12786), (1548, 10655), (1935, 8524), (2131, 7740), (2580, 6393), (3870, 4262)]