205161880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1129}}^1$

素因数の和:1217

約数の個数: 128

約数和(自身を含む): 585792000

約数和(自身を除く): 380630120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 59, 70, 77, 88, 110, 118, 140, 154, 220, 236, 280, 295, 308, 385, 413, 440, 472, 590, 616, 649, 770, 826, 1129, 1180, 1298, 1540, 1652, 2065, 2258, 2360, 2596, 3080, 3245, 3304, 4130, 4516, 4543, 5192, 5645, 6490, 7903, 8260, 9032, 9086, 11290, 12419, 12980, 15806, 16520, 18172, 22580, 22715, 24838, 25960, 31612, 36344, 39515, 45160, 45430, 49676, 62095, 63224, 66611, 79030, 86933, 90860, 99352, 124190, 133222, 158060, 173866, 181720, 248380, 266444, 316120, 333055, 347732, 434665, 466277, 496760, 532888, 666110, 695464, 732721, 869330, 932554, 1332220, 1465442, 1738660, 1865108, 2331385, 2664440, 2930884, 3477320, 3663605, 3730216, 4662770, 5129047, 5861768, 7327210, 9325540, 10258094, 14654420, 18651080, 20516188, 25645235, 29308840, 41032376, 51290470, 102580940, 205161880]

約数ペア:

[(1, 205161880), (2, 102580940), (4, 51290470), (5, 41032376), (7, 29308840), (8, 25645235), (10, 20516188), (11, 18651080), (14, 14654420), (20, 10258094), (22, 9325540), (28, 7327210), (35, 5861768), (40, 5129047), (44, 4662770), (55, 3730216), (56, 3663605), (59, 3477320), (70, 2930884), (77, 2664440), (88, 2331385), (110, 1865108), (118, 1738660), (140, 1465442), (154, 1332220), (220, 932554), (236, 869330), (280, 732721), (295, 695464), (308, 666110), (385, 532888), (413, 496760), (440, 466277), (472, 434665), (590, 347732), (616, 333055), (649, 316120), (770, 266444), (826, 248380), (1129, 181720), (1180, 173866), (1298, 158060), (1540, 133222), (1652, 124190), (2065, 99352), (2258, 90860), (2360, 86933), (2596, 79030), (3080, 66611), (3245, 63224), (3304, 62095), (4130, 49676), (4516, 45430), (4543, 45160), (5192, 39515), (5645, 36344), (6490, 31612), (7903, 25960), (8260, 24838), (9032, 22715), (9086, 22580), (11290, 18172), (12419, 16520), (12980, 15806)]