255939660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{8219}}^1$

素因数の和:8407

約数の個数: 72

約数和(自身を含む): 780932880

約数和(自身を除く): 524993220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 1038, 1557, 1730, 2076, 2595, 3114, 3460, 5190, 6228, 7785, 8219, 10380, 15570, 16438, 24657, 31140, 32876, 41095, 49314, 73971, 82190, 98628, 123285, 147942, 164380, 246570, 295884, 369855, 493140, 739710, 1421887, 1479420, 2843774, 4265661, 5687548, 7109435, 8531322, 12796983, 14218870, 17062644, 21328305, 25593966, 28437740, 42656610, 51187932, 63984915, 85313220, 127969830, 255939660]

約数ペア:

[(1, 255939660), (2, 127969830), (3, 85313220), (4, 63984915), (5, 51187932), (6, 42656610), (9, 28437740), (10, 25593966), (12, 21328305), (15, 17062644), (18, 14218870), (20, 12796983), (30, 8531322), (36, 7109435), (45, 5687548), (60, 4265661), (90, 2843774), (173, 1479420), (180, 1421887), (346, 739710), (519, 493140), (692, 369855), (865, 295884), (1038, 246570), (1557, 164380), (1730, 147942), (2076, 123285), (2595, 98628), (3114, 82190), (3460, 73971), (5190, 49314), (6228, 41095), (7785, 32876), (8219, 31140), (10380, 24657), (15570, 16438)]