919541440

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:810

約数の個数: 112

約数和(自身を含む): 2267163360

約数和(自身を除く): 1347621920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 109, 160, 164, 205, 218, 320, 328, 410, 436, 545, 643, 656, 820, 872, 1090, 1286, 1312, 1640, 1744, 2180, 2572, 2624, 3215, 3280, 3488, 4360, 4469, 5144, 6430, 6560, 6976, 8720, 8938, 10288, 12860, 13120, 17440, 17876, 20576, 22345, 25720, 26363, 34880, 35752, 41152, 44690, 51440, 52726, 70087, 71504, 89380, 102880, 105452, 131815, 140174, 143008, 178760, 205760, 210904, 263630, 280348, 286016, 350435, 357520, 421808, 527260, 560696, 700870, 715040, 843616, 1054520, 1121392, 1401740, 1430080, 1687232, 2109040, 2242784, 2803480, 2873567, 4218080, 4485568, 5606960, 5747134, 8436160, 11213920, 11494268, 14367835, 22427840, 22988536, 28735670, 45977072, 57471340, 91954144, 114942680, 183908288, 229885360, 459770720, 919541440]

約数ペア:

[(1, 919541440), (2, 459770720), (4, 229885360), (5, 183908288), (8, 114942680), (10, 91954144), (16, 57471340), (20, 45977072), (32, 28735670), (40, 22988536), (41, 22427840), (64, 14367835), (80, 11494268), (82, 11213920), (109, 8436160), (160, 5747134), (164, 5606960), (205, 4485568), (218, 4218080), (320, 2873567), (328, 2803480), (410, 2242784), (436, 2109040), (545, 1687232), (643, 1430080), (656, 1401740), (820, 1121392), (872, 1054520), (1090, 843616), (1286, 715040), (1312, 700870), (1640, 560696), (1744, 527260), (2180, 421808), (2572, 357520), (2624, 350435), (3215, 286016), (3280, 280348), (3488, 263630), (4360, 210904), (4469, 205760), (5144, 178760), (6430, 143008), (6560, 140174), (6976, 131815), (8720, 105452), (8938, 102880), (10288, 89380), (12860, 71504), (13120, 70087), (17440, 52726), (17876, 51440), (20576, 44690), (22345, 41152), (25720, 35752), (26363, 34880)]