66012520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{839}}^1$

素因数の和:1138

約数の個数: 64

約数和(自身を含む): 170553600

約数和(自身を除く): 104541080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 281, 562, 839, 1124, 1405, 1678, 1967, 2248, 2810, 3356, 3934, 4195, 5620, 5873, 6712, 7868, 8390, 9835, 11240, 11746, 15736, 16780, 19670, 23492, 29365, 33560, 39340, 46984, 58730, 78680, 117460, 234920, 235759, 471518, 943036, 1178795, 1650313, 1886072, 2357590, 3300626, 4715180, 6601252, 8251565, 9430360, 13202504, 16503130, 33006260, 66012520]

約数ペア:

[(1, 66012520), (2, 33006260), (4, 16503130), (5, 13202504), (7, 9430360), (8, 8251565), (10, 6601252), (14, 4715180), (20, 3300626), (28, 2357590), (35, 1886072), (40, 1650313), (56, 1178795), (70, 943036), (140, 471518), (280, 235759), (281, 234920), (562, 117460), (839, 78680), (1124, 58730), (1405, 46984), (1678, 39340), (1967, 33560), (2248, 29365), (2810, 23492), (3356, 19670), (3934, 16780), (4195, 15736), (5620, 11746), (5873, 11240), (6712, 9835), (7868, 8390)]