678040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:112

約数の個数: 64

約数和(自身を含む): 1762560

約数和(自身を除く): 1084520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 67, 88, 92, 110, 115, 134, 184, 220, 230, 253, 268, 335, 440, 460, 506, 536, 670, 737, 920, 1012, 1265, 1340, 1474, 1541, 2024, 2530, 2680, 2948, 3082, 3685, 5060, 5896, 6164, 7370, 7705, 10120, 12328, 14740, 15410, 16951, 29480, 30820, 33902, 61640, 67804, 84755, 135608, 169510, 339020, 678040]

約数ペア:

[(1, 678040), (2, 339020), (4, 169510), (5, 135608), (8, 84755), (10, 67804), (11, 61640), (20, 33902), (22, 30820), (23, 29480), (40, 16951), (44, 15410), (46, 14740), (55, 12328), (67, 10120), (88, 7705), (92, 7370), (110, 6164), (115, 5896), (134, 5060), (184, 3685), (220, 3082), (230, 2948), (253, 2680), (268, 2530), (335, 2024), (440, 1541), (460, 1474), (506, 1340), (536, 1265), (670, 1012), (737, 920)]