279921780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{2843}}^1$

素因数の和:3405

約数の個数: 72

約数和(自身を含む): 850947552

約数和(自身を除く): 571025772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 547, 1094, 1641, 2188, 2735, 2843, 3282, 4923, 5470, 5686, 6564, 8205, 8529, 9846, 10940, 11372, 14215, 16410, 17058, 19692, 24615, 25587, 28430, 32820, 34116, 42645, 49230, 51174, 56860, 85290, 98460, 102348, 127935, 170580, 255870, 511740, 1555121, 3110242, 4665363, 6220484, 7775605, 9330726, 13996089, 15551210, 18661452, 23326815, 27992178, 31102420, 46653630, 55984356, 69980445, 93307260, 139960890, 279921780]

約数ペア:

[(1, 279921780), (2, 139960890), (3, 93307260), (4, 69980445), (5, 55984356), (6, 46653630), (9, 31102420), (10, 27992178), (12, 23326815), (15, 18661452), (18, 15551210), (20, 13996089), (30, 9330726), (36, 7775605), (45, 6220484), (60, 4665363), (90, 3110242), (180, 1555121), (547, 511740), (1094, 255870), (1641, 170580), (2188, 127935), (2735, 102348), (2843, 98460), (3282, 85290), (4923, 56860), (5470, 51174), (5686, 49230), (6564, 42645), (8205, 34116), (8529, 32820), (9846, 28430), (10940, 25587), (11372, 24615), (14215, 19692), (16410, 17058)]