866640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:196

約数の個数: 80

約数和(自身を含む): 2821248

約数和(自身を除く): 1954608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 157, 184, 230, 240, 276, 314, 345, 368, 460, 471, 552, 628, 690, 785, 920, 942, 1104, 1256, 1380, 1570, 1840, 1884, 2355, 2512, 2760, 3140, 3611, 3768, 4710, 5520, 6280, 7222, 7536, 9420, 10833, 12560, 14444, 18055, 18840, 21666, 28888, 36110, 37680, 43332, 54165, 57776, 72220, 86664, 108330, 144440, 173328, 216660, 288880, 433320, 866640]

約数ペア:

[(1, 866640), (2, 433320), (3, 288880), (4, 216660), (5, 173328), (6, 144440), (8, 108330), (10, 86664), (12, 72220), (15, 57776), (16, 54165), (20, 43332), (23, 37680), (24, 36110), (30, 28888), (40, 21666), (46, 18840), (48, 18055), (60, 14444), (69, 12560), (80, 10833), (92, 9420), (115, 7536), (120, 7222), (138, 6280), (157, 5520), (184, 4710), (230, 3768), (240, 3611), (276, 3140), (314, 2760), (345, 2512), (368, 2355), (460, 1884), (471, 1840), (552, 1570), (628, 1380), (690, 1256), (785, 1104), (920, 942)]