261812160

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{90907}}^1$

素因数の和:90930

約数の個数: 84

約数和(自身を含む): 900534648

約数和(自身を除く): 638722488

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, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 90907, 181814, 272721, 363628, 454535, 545442, 727256, 818163, 909070, 1090884, 1363605, 1454512, 1636326, 1818140, 2181768, 2727210, 2909024, 3272652, 3636280, 4090815, 4363536, 5454420, 5818048, 6545304, 7272560, 8181630, 8727072, 10908840, 13090608, 14545120, 16363260, 17454144, 21817680, 26181216, 29090240, 32726520, 43635360, 52362432, 65453040, 87270720, 130906080, 261812160]

約数ペア:

[(1, 261812160), (2, 130906080), (3, 87270720), (4, 65453040), (5, 52362432), (6, 43635360), (8, 32726520), (9, 29090240), (10, 26181216), (12, 21817680), (15, 17454144), (16, 16363260), (18, 14545120), (20, 13090608), (24, 10908840), (30, 8727072), (32, 8181630), (36, 7272560), (40, 6545304), (45, 5818048), (48, 5454420), (60, 4363536), (64, 4090815), (72, 3636280), (80, 3272652), (90, 2909024), (96, 2727210), (120, 2181768), (144, 1818140), (160, 1636326), (180, 1454512), (192, 1363605), (240, 1090884), (288, 909070), (320, 818163), (360, 727256), (480, 545442), (576, 454535), (720, 363628), (960, 272721), (1440, 181814), (2880, 90907)]