87211520

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:216

約数の個数: 160

約数和(自身を含む): 241591680

約数和(自身を除く): 154380160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 128, 152, 160, 163, 176, 190, 209, 220, 256, 304, 320, 326, 352, 380, 418, 440, 512, 608, 640, 652, 704, 760, 815, 836, 880, 1045, 1216, 1280, 1304, 1408, 1520, 1630, 1672, 1760, 1793, 2090, 2432, 2560, 2608, 2816, 3040, 3097, 3260, 3344, 3520, 3586, 4180, 4864, 5216, 5632, 6080, 6194, 6520, 6688, 7040, 7172, 8360, 8965, 9728, 10432, 12160, 12388, 13040, 13376, 14080, 14344, 15485, 16720, 17930, 20864, 24320, 24776, 26080, 26752, 28160, 28688, 30970, 33440, 34067, 35860, 41728, 48640, 49552, 52160, 53504, 57376, 61940, 66880, 68134, 71720, 83456, 99104, 104320, 107008, 114752, 123880, 133760, 136268, 143440, 170335, 198208, 208640, 229504, 247760, 267520, 272536, 286880, 340670, 396416, 417280, 459008, 495520, 535040, 545072, 573760, 681340, 792832, 918016, 991040, 1090144, 1147520, 1362680, 1585664, 1982080, 2180288, 2295040, 2725360, 3964160, 4360576, 4590080, 5450720, 7928320, 8721152, 10901440, 17442304, 21802880, 43605760, 87211520]

約数ペア:

[(1, 87211520), (2, 43605760), (4, 21802880), (5, 17442304), (8, 10901440), (10, 8721152), (11, 7928320), (16, 5450720), (19, 4590080), (20, 4360576), (22, 3964160), (32, 2725360), (38, 2295040), (40, 2180288), (44, 1982080), (55, 1585664), (64, 1362680), (76, 1147520), (80, 1090144), (88, 991040), (95, 918016), (110, 792832), (128, 681340), (152, 573760), (160, 545072), (163, 535040), (176, 495520), (190, 459008), (209, 417280), (220, 396416), (256, 340670), (304, 286880), (320, 272536), (326, 267520), (352, 247760), (380, 229504), (418, 208640), (440, 198208), (512, 170335), (608, 143440), (640, 136268), (652, 133760), (704, 123880), (760, 114752), (815, 107008), (836, 104320), (880, 99104), (1045, 83456), (1216, 71720), (1280, 68134), (1304, 66880), (1408, 61940), (1520, 57376), (1630, 53504), (1672, 52160), (1760, 49552), (1793, 48640), (2090, 41728), (2432, 35860), (2560, 34067), (2608, 33440), (2816, 30970), (3040, 28688), (3097, 28160), (3260, 26752), (3344, 26080), (3520, 24776), (3586, 24320), (4180, 20864), (4864, 17930), (5216, 16720), (5632, 15485), (6080, 14344), (6194, 14080), (6520, 13376), (6688, 13040), (7040, 12388), (7172, 12160), (8360, 10432), (8965, 9728)]