20080080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{167}}^2$

素因数の和:353

約数の個数: 90

約数和(自身を含む): 67841826

約数和(自身を除く): 47761746

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 167, 180, 240, 334, 360, 501, 668, 720, 835, 1002, 1336, 1503, 1670, 2004, 2505, 2672, 3006, 3340, 4008, 5010, 6012, 6680, 7515, 8016, 10020, 12024, 13360, 15030, 20040, 24048, 27889, 30060, 40080, 55778, 60120, 83667, 111556, 120240, 139445, 167334, 223112, 251001, 278890, 334668, 418335, 446224, 502002, 557780, 669336, 836670, 1004004, 1115560, 1255005, 1338672, 1673340, 2008008, 2231120, 2510010, 3346680, 4016016, 5020020, 6693360, 10040040, 20080080]

約数ペア:

[(1, 20080080), (2, 10040040), (3, 6693360), (4, 5020020), (5, 4016016), (6, 3346680), (8, 2510010), (9, 2231120), (10, 2008008), (12, 1673340), (15, 1338672), (16, 1255005), (18, 1115560), (20, 1004004), (24, 836670), (30, 669336), (36, 557780), (40, 502002), (45, 446224), (48, 418335), (60, 334668), (72, 278890), (80, 251001), (90, 223112), (120, 167334), (144, 139445), (167, 120240), (180, 111556), (240, 83667), (334, 60120), (360, 55778), (501, 40080), (668, 30060), (720, 27889), (835, 24048), (1002, 20040), (1336, 15030), (1503, 13360), (1670, 12024), (2004, 10020), (2505, 8016), (2672, 7515), (3006, 6680), (3340, 6012), (4008, 5010)]