17760720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1721}}^1$

素因数の和:1780

約数の個数: 80

約数和(自身を含む): 56371392

約数和(自身を除く): 38610672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 1721, 2064, 2580, 3440, 3442, 5160, 5163, 6884, 8605, 10320, 10326, 13768, 17210, 20652, 25815, 27536, 34420, 41304, 51630, 68840, 74003, 82608, 103260, 137680, 148006, 206520, 222009, 296012, 370015, 413040, 444018, 592024, 740030, 888036, 1110045, 1184048, 1480060, 1776072, 2220090, 2960120, 3552144, 4440180, 5920240, 8880360, 17760720]

約数ペア:

[(1, 17760720), (2, 8880360), (3, 5920240), (4, 4440180), (5, 3552144), (6, 2960120), (8, 2220090), (10, 1776072), (12, 1480060), (15, 1184048), (16, 1110045), (20, 888036), (24, 740030), (30, 592024), (40, 444018), (43, 413040), (48, 370015), (60, 296012), (80, 222009), (86, 206520), (120, 148006), (129, 137680), (172, 103260), (215, 82608), (240, 74003), (258, 68840), (344, 51630), (430, 41304), (516, 34420), (645, 27536), (688, 25815), (860, 20652), (1032, 17210), (1290, 13768), (1720, 10326), (1721, 10320), (2064, 8605), (2580, 6884), (3440, 5163), (3442, 5160)]