161335120

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:592

約数の個数: 80

約数和(自身を含む): 391113360

約数和(自身を除く): 229778240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 197, 232, 290, 353, 394, 464, 580, 706, 788, 985, 1160, 1412, 1576, 1765, 1970, 2320, 2824, 3152, 3530, 3940, 5648, 5713, 7060, 7880, 10237, 11426, 14120, 15760, 20474, 22852, 28240, 28565, 40948, 45704, 51185, 57130, 69541, 81896, 91408, 102370, 114260, 139082, 163792, 204740, 228520, 278164, 347705, 409480, 457040, 556328, 695410, 818960, 1112656, 1390820, 2016689, 2781640, 4033378, 5563280, 8066756, 10083445, 16133512, 20166890, 32267024, 40333780, 80667560, 161335120]

約数ペア:

[(1, 161335120), (2, 80667560), (4, 40333780), (5, 32267024), (8, 20166890), (10, 16133512), (16, 10083445), (20, 8066756), (29, 5563280), (40, 4033378), (58, 2781640), (80, 2016689), (116, 1390820), (145, 1112656), (197, 818960), (232, 695410), (290, 556328), (353, 457040), (394, 409480), (464, 347705), (580, 278164), (706, 228520), (788, 204740), (985, 163792), (1160, 139082), (1412, 114260), (1576, 102370), (1765, 91408), (1970, 81896), (2320, 69541), (2824, 57130), (3152, 51185), (3530, 45704), (3940, 40948), (5648, 28565), (5713, 28240), (7060, 22852), (7880, 20474), (10237, 15760), (11426, 14120)]