6818940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:939

約数の個数: 72

約数和(自身を含む): 21189168

約数和(自身を除く): 14370228

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, 881, 1290, 1548, 1762, 1935, 2580, 2643, 3524, 3870, 4405, 5286, 7740, 7929, 8810, 10572, 13215, 15858, 17620, 26430, 31716, 37883, 39645, 52860, 75766, 79290, 113649, 151532, 158580, 189415, 227298, 340947, 378830, 454596, 568245, 681894, 757660, 1136490, 1363788, 1704735, 2272980, 3409470, 6818940]

約数ペア:

[(1, 6818940), (2, 3409470), (3, 2272980), (4, 1704735), (5, 1363788), (6, 1136490), (9, 757660), (10, 681894), (12, 568245), (15, 454596), (18, 378830), (20, 340947), (30, 227298), (36, 189415), (43, 158580), (45, 151532), (60, 113649), (86, 79290), (90, 75766), (129, 52860), (172, 39645), (180, 37883), (215, 31716), (258, 26430), (387, 17620), (430, 15858), (516, 13215), (645, 10572), (774, 8810), (860, 7929), (881, 7740), (1290, 5286), (1548, 4405), (1762, 3870), (1935, 3524), (2580, 2643)]