1279789720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{100297}}^1$

素因数の和:100348

約数の個数: 64

約数和(自身を含む): 3249655200

約数和(自身を除く): 1969865480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1276, 1595, 2552, 3190, 6380, 12760, 100297, 200594, 401188, 501485, 802376, 1002970, 1103267, 2005940, 2206534, 2908613, 4011880, 4413068, 5516335, 5817226, 8826136, 11032670, 11634452, 14543065, 22065340, 23268904, 29086130, 31994743, 44130680, 58172260, 63989486, 116344520, 127978972, 159973715, 255957944, 319947430, 639894860, 1279789720]

約数ペア:

[(1, 1279789720), (2, 639894860), (4, 319947430), (5, 255957944), (8, 159973715), (10, 127978972), (11, 116344520), (20, 63989486), (22, 58172260), (29, 44130680), (40, 31994743), (44, 29086130), (55, 23268904), (58, 22065340), (88, 14543065), (110, 11634452), (116, 11032670), (145, 8826136), (220, 5817226), (232, 5516335), (290, 4413068), (319, 4011880), (440, 2908613), (580, 2206534), (638, 2005940), (1160, 1103267), (1276, 1002970), (1595, 802376), (2552, 501485), (3190, 401188), (6380, 200594), (12760, 100297)]