1986960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:520

約数の個数: 80

約数和(自身を含む): 6535296

約数和(自身を除く): 4548336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 487, 510, 680, 816, 974, 1020, 1360, 1461, 1948, 2040, 2435, 2922, 3896, 4080, 4870, 5844, 7305, 7792, 8279, 9740, 11688, 14610, 16558, 19480, 23376, 24837, 29220, 33116, 38960, 41395, 49674, 58440, 66232, 82790, 99348, 116880, 124185, 132464, 165580, 198696, 248370, 331160, 397392, 496740, 662320, 993480, 1986960]

約数ペア:

[(1, 1986960), (2, 993480), (3, 662320), (4, 496740), (5, 397392), (6, 331160), (8, 248370), (10, 198696), (12, 165580), (15, 132464), (16, 124185), (17, 116880), (20, 99348), (24, 82790), (30, 66232), (34, 58440), (40, 49674), (48, 41395), (51, 38960), (60, 33116), (68, 29220), (80, 24837), (85, 23376), (102, 19480), (120, 16558), (136, 14610), (170, 11688), (204, 9740), (240, 8279), (255, 7792), (272, 7305), (340, 5844), (408, 4870), (487, 4080), (510, 3896), (680, 2922), (816, 2435), (974, 2040), (1020, 1948), (1360, 1461)]