243399160

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1\times {\mathrm{439}}^1$

素因数の和:700

約数の個数: 64

約数和(自身を含む): 558835200

約数和(自身を除く): 315436040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 167, 332, 334, 415, 439, 664, 668, 830, 835, 878, 1336, 1660, 1670, 1756, 2195, 3320, 3340, 3512, 4390, 6680, 8780, 13861, 17560, 27722, 36437, 55444, 69305, 72874, 73313, 110888, 138610, 145748, 146626, 182185, 277220, 291496, 293252, 364370, 366565, 554440, 586504, 728740, 733130, 1457480, 1466260, 2932520, 6084979, 12169958, 24339916, 30424895, 48679832, 60849790, 121699580, 243399160]

約数ペア:

[(1, 243399160), (2, 121699580), (4, 60849790), (5, 48679832), (8, 30424895), (10, 24339916), (20, 12169958), (40, 6084979), (83, 2932520), (166, 1466260), (167, 1457480), (332, 733130), (334, 728740), (415, 586504), (439, 554440), (664, 366565), (668, 364370), (830, 293252), (835, 291496), (878, 277220), (1336, 182185), (1660, 146626), (1670, 145748), (1756, 138610), (2195, 110888), (3320, 73313), (3340, 72874), (3512, 69305), (4390, 55444), (6680, 36437), (8780, 27722), (13861, 17560)]