181226320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2039}}^1$

素因数の和:2164

約数の個数: 80

約数和(自身を含む): 464434560

約数和(自身を除く): 283208240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 101, 110, 176, 202, 220, 404, 440, 505, 808, 880, 1010, 1111, 1616, 2020, 2039, 2222, 4040, 4078, 4444, 5555, 8080, 8156, 8888, 10195, 11110, 16312, 17776, 20390, 22220, 22429, 32624, 40780, 44440, 44858, 81560, 88880, 89716, 112145, 163120, 179432, 205939, 224290, 358864, 411878, 448580, 823756, 897160, 1029695, 1647512, 1794320, 2059390, 2265329, 3295024, 4118780, 4530658, 8237560, 9061316, 11326645, 16475120, 18122632, 22653290, 36245264, 45306580, 90613160, 181226320]

約数ペア:

[(1, 181226320), (2, 90613160), (4, 45306580), (5, 36245264), (8, 22653290), (10, 18122632), (11, 16475120), (16, 11326645), (20, 9061316), (22, 8237560), (40, 4530658), (44, 4118780), (55, 3295024), (80, 2265329), (88, 2059390), (101, 1794320), (110, 1647512), (176, 1029695), (202, 897160), (220, 823756), (404, 448580), (440, 411878), (505, 358864), (808, 224290), (880, 205939), (1010, 179432), (1111, 163120), (1616, 112145), (2020, 89716), (2039, 88880), (2222, 81560), (4040, 44858), (4078, 44440), (4444, 40780), (5555, 32624), (8080, 22429), (8156, 22220), (8888, 20390), (10195, 17776), (11110, 16312)]