123802020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{76421}}^1$

素因数の和:76442

約数の個数: 60

約数和(自身を含む): 388376604

約数和(自身を除く): 264574584

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 76421, 152842, 229263, 305684, 382105, 458526, 687789, 764210, 917052, 1146315, 1375578, 1528420, 2063367, 2292630, 2751156, 3438945, 4126734, 4585260, 6190101, 6877890, 8253468, 10316835, 12380202, 13755780, 20633670, 24760404, 30950505, 41267340, 61901010, 123802020]

約数ペア:

[(1, 123802020), (2, 61901010), (3, 41267340), (4, 30950505), (5, 24760404), (6, 20633670), (9, 13755780), (10, 12380202), (12, 10316835), (15, 8253468), (18, 6877890), (20, 6190101), (27, 4585260), (30, 4126734), (36, 3438945), (45, 2751156), (54, 2292630), (60, 2063367), (81, 1528420), (90, 1375578), (108, 1146315), (135, 917052), (162, 764210), (180, 687789), (270, 458526), (324, 382105), (405, 305684), (540, 229263), (810, 152842), (1620, 76421)]