155991880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{8647}}^1$

素因数の和:8710

約数の個数: 64

約数和(自身を含む): 392273280

約数和(自身を除く): 236281400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1640, 1804, 2255, 3608, 4510, 8647, 9020, 17294, 18040, 34588, 43235, 69176, 86470, 95117, 172940, 190234, 345880, 354527, 380468, 475585, 709054, 760936, 951170, 1418108, 1772635, 1902340, 2836216, 3545270, 3804680, 3899797, 7090540, 7799594, 14181080, 15599188, 19498985, 31198376, 38997970, 77995940, 155991880]

約数ペア:

[(1, 155991880), (2, 77995940), (4, 38997970), (5, 31198376), (8, 19498985), (10, 15599188), (11, 14181080), (20, 7799594), (22, 7090540), (40, 3899797), (41, 3804680), (44, 3545270), (55, 2836216), (82, 1902340), (88, 1772635), (110, 1418108), (164, 951170), (205, 760936), (220, 709054), (328, 475585), (410, 380468), (440, 354527), (451, 345880), (820, 190234), (902, 172940), (1640, 95117), (1804, 86470), (2255, 69176), (3608, 43235), (4510, 34588), (8647, 18040), (9020, 17294)]