1620240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 5172288

約数和(自身を除く): 3552048

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, 157, 172, 215, 240, 258, 314, 344, 430, 471, 516, 628, 645, 688, 785, 860, 942, 1032, 1256, 1290, 1570, 1720, 1884, 2064, 2355, 2512, 2580, 3140, 3440, 3768, 4710, 5160, 6280, 6751, 7536, 9420, 10320, 12560, 13502, 18840, 20253, 27004, 33755, 37680, 40506, 54008, 67510, 81012, 101265, 108016, 135020, 162024, 202530, 270040, 324048, 405060, 540080, 810120, 1620240]

約数ペア:

[(1, 1620240), (2, 810120), (3, 540080), (4, 405060), (5, 324048), (6, 270040), (8, 202530), (10, 162024), (12, 135020), (15, 108016), (16, 101265), (20, 81012), (24, 67510), (30, 54008), (40, 40506), (43, 37680), (48, 33755), (60, 27004), (80, 20253), (86, 18840), (120, 13502), (129, 12560), (157, 10320), (172, 9420), (215, 7536), (240, 6751), (258, 6280), (314, 5160), (344, 4710), (430, 3768), (471, 3440), (516, 3140), (628, 2580), (645, 2512), (688, 2355), (785, 2064), (860, 1884), (942, 1720), (1032, 1570), (1256, 1290)]