281636520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{213361}}^1$

素因数の和:213386

約数の個数: 64

約数和(自身を含む): 921723840

約数和(自身を除く): 640087320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 213361, 426722, 640083, 853444, 1066805, 1280166, 1706888, 2133610, 2346971, 2560332, 3200415, 4267220, 4693942, 5120664, 6400830, 7040913, 8534440, 9387884, 11734855, 12801660, 14081826, 18775768, 23469710, 25603320, 28163652, 35204565, 46939420, 56327304, 70409130, 93878840, 140818260, 281636520]

約数ペア:

[(1, 281636520), (2, 140818260), (3, 93878840), (4, 70409130), (5, 56327304), (6, 46939420), (8, 35204565), (10, 28163652), (11, 25603320), (12, 23469710), (15, 18775768), (20, 14081826), (22, 12801660), (24, 11734855), (30, 9387884), (33, 8534440), (40, 7040913), (44, 6400830), (55, 5120664), (60, 4693942), (66, 4267220), (88, 3200415), (110, 2560332), (120, 2346971), (132, 2133610), (165, 1706888), (220, 1280166), (264, 1066805), (330, 853444), (440, 640083), (660, 426722), (1320, 213361)]