19819680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:438

約数の個数: 96

約数和(自身を含む): 63068544

約数和(自身を除く): 43248864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 157, 160, 240, 263, 314, 471, 480, 526, 628, 785, 789, 942, 1052, 1256, 1315, 1570, 1578, 1884, 2104, 2355, 2512, 2630, 3140, 3156, 3768, 3945, 4208, 4710, 5024, 5260, 6280, 6312, 7536, 7890, 8416, 9420, 10520, 12560, 12624, 15072, 15780, 18840, 21040, 25120, 25248, 31560, 37680, 41291, 42080, 63120, 75360, 82582, 123873, 126240, 165164, 206455, 247746, 330328, 412910, 495492, 619365, 660656, 825820, 990984, 1238730, 1321312, 1651640, 1981968, 2477460, 3303280, 3963936, 4954920, 6606560, 9909840, 19819680]

約数ペア:

[(1, 19819680), (2, 9909840), (3, 6606560), (4, 4954920), (5, 3963936), (6, 3303280), (8, 2477460), (10, 1981968), (12, 1651640), (15, 1321312), (16, 1238730), (20, 990984), (24, 825820), (30, 660656), (32, 619365), (40, 495492), (48, 412910), (60, 330328), (80, 247746), (96, 206455), (120, 165164), (157, 126240), (160, 123873), (240, 82582), (263, 75360), (314, 63120), (471, 42080), (480, 41291), (526, 37680), (628, 31560), (785, 25248), (789, 25120), (942, 21040), (1052, 18840), (1256, 15780), (1315, 15072), (1570, 12624), (1578, 12560), (1884, 10520), (2104, 9420), (2355, 8416), (2512, 7890), (2630, 7536), (3140, 6312), (3156, 6280), (3768, 5260), (3945, 5024), (4208, 4710)]