198988080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5281}}^1$

素因数の和:5454

約数の個数: 80

約数和(自身を含む): 620909664

約数和(自身を除く): 421921584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 240, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 2512, 3140, 3768, 4710, 5281, 6280, 7536, 9420, 10562, 12560, 15843, 18840, 21124, 26405, 31686, 37680, 42248, 52810, 63372, 79215, 84496, 105620, 126744, 158430, 211240, 253488, 316860, 422480, 633720, 829117, 1267440, 1658234, 2487351, 3316468, 4145585, 4974702, 6632936, 8291170, 9949404, 12436755, 13265872, 16582340, 19898808, 24873510, 33164680, 39797616, 49747020, 66329360, 99494040, 198988080]

約数ペア:

[(1, 198988080), (2, 99494040), (3, 66329360), (4, 49747020), (5, 39797616), (6, 33164680), (8, 24873510), (10, 19898808), (12, 16582340), (15, 13265872), (16, 12436755), (20, 9949404), (24, 8291170), (30, 6632936), (40, 4974702), (48, 4145585), (60, 3316468), (80, 2487351), (120, 1658234), (157, 1267440), (240, 829117), (314, 633720), (471, 422480), (628, 316860), (785, 253488), (942, 211240), (1256, 158430), (1570, 126744), (1884, 105620), (2355, 84496), (2512, 79215), (3140, 63372), (3768, 52810), (4710, 42248), (5281, 37680), (6280, 31686), (7536, 26405), (9420, 21124), (10562, 18840), (12560, 15843)]