31689768

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:367

約数の個数: 128

約数和(自身を含む): 95800320

約数和(自身を除く): 64110552

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 23, 24, 33, 34, 44, 46, 51, 66, 68, 69, 88, 92, 102, 132, 136, 138, 184, 187, 204, 253, 264, 276, 307, 374, 391, 408, 506, 552, 561, 614, 748, 759, 782, 921, 1012, 1122, 1173, 1228, 1496, 1518, 1564, 1842, 2024, 2244, 2346, 2456, 3036, 3128, 3377, 3684, 4301, 4488, 4692, 5219, 6072, 6754, 7061, 7368, 8602, 9384, 10131, 10438, 12903, 13508, 14122, 15657, 17204, 20262, 20876, 21183, 25806, 27016, 28244, 31314, 34408, 40524, 41752, 42366, 51612, 56488, 57409, 62628, 77671, 81048, 84732, 103224, 114818, 120037, 125256, 155342, 169464, 172227, 229636, 233013, 240074, 310684, 344454, 360111, 459272, 466026, 480148, 621368, 688908, 720222, 932052, 960296, 1320407, 1377816, 1440444, 1864104, 2640814, 2880888, 3961221, 5281628, 7922442, 10563256, 15844884, 31689768]

約数ペア:

[(1, 31689768), (2, 15844884), (3, 10563256), (4, 7922442), (6, 5281628), (8, 3961221), (11, 2880888), (12, 2640814), (17, 1864104), (22, 1440444), (23, 1377816), (24, 1320407), (33, 960296), (34, 932052), (44, 720222), (46, 688908), (51, 621368), (66, 480148), (68, 466026), (69, 459272), (88, 360111), (92, 344454), (102, 310684), (132, 240074), (136, 233013), (138, 229636), (184, 172227), (187, 169464), (204, 155342), (253, 125256), (264, 120037), (276, 114818), (307, 103224), (374, 84732), (391, 81048), (408, 77671), (506, 62628), (552, 57409), (561, 56488), (614, 51612), (748, 42366), (759, 41752), (782, 40524), (921, 34408), (1012, 31314), (1122, 28244), (1173, 27016), (1228, 25806), (1496, 21183), (1518, 20876), (1564, 20262), (1842, 17204), (2024, 15657), (2244, 14122), (2346, 13508), (2456, 12903), (3036, 10438), (3128, 10131), (3377, 9384), (3684, 8602), (4301, 7368), (4488, 7061), (4692, 6754), (5219, 6072)]