25180020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2371}}^1$

素因数の和:2445

約数の個数: 72

約数和(自身を含む): 77706720

約数和(自身を除く): 52526700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2371, 2655, 3540, 4742, 5310, 7113, 9484, 10620, 11855, 14226, 21339, 23710, 28452, 35565, 42678, 47420, 71130, 85356, 106695, 139889, 142260, 213390, 279778, 419667, 426780, 559556, 699445, 839334, 1259001, 1398890, 1678668, 2098335, 2518002, 2797780, 4196670, 5036004, 6295005, 8393340, 12590010, 25180020]

約数ペア:

[(1, 25180020), (2, 12590010), (3, 8393340), (4, 6295005), (5, 5036004), (6, 4196670), (9, 2797780), (10, 2518002), (12, 2098335), (15, 1678668), (18, 1398890), (20, 1259001), (30, 839334), (36, 699445), (45, 559556), (59, 426780), (60, 419667), (90, 279778), (118, 213390), (177, 142260), (180, 139889), (236, 106695), (295, 85356), (354, 71130), (531, 47420), (590, 42678), (708, 35565), (885, 28452), (1062, 23710), (1180, 21339), (1770, 14226), (2124, 11855), (2371, 10620), (2655, 9484), (3540, 7113), (4742, 5310)]