78798240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{54721}}^1$

素因数の和:54742

約数の個数: 72

約数和(自身を含む): 268903908

約数和(自身を除く): 190105668

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 54721, 109442, 164163, 218884, 273605, 328326, 437768, 492489, 547210, 656652, 820815, 875536, 984978, 1094420, 1313304, 1641630, 1751072, 1969956, 2188840, 2462445, 2626608, 3283260, 3939912, 4377680, 4924890, 5253216, 6566520, 7879824, 8755360, 9849780, 13133040, 15759648, 19699560, 26266080, 39399120, 78798240]

約数ペア:

[(1, 78798240), (2, 39399120), (3, 26266080), (4, 19699560), (5, 15759648), (6, 13133040), (8, 9849780), (9, 8755360), (10, 7879824), (12, 6566520), (15, 5253216), (16, 4924890), (18, 4377680), (20, 3939912), (24, 3283260), (30, 2626608), (32, 2462445), (36, 2188840), (40, 1969956), (45, 1751072), (48, 1641630), (60, 1313304), (72, 1094420), (80, 984978), (90, 875536), (96, 820815), (120, 656652), (144, 547210), (160, 492489), (180, 437768), (240, 328326), (288, 273605), (360, 218884), (480, 164163), (720, 109442), (1440, 54721)]