31706880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 105960960

約数和(自身を除く): 74254080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 359, 368, 384, 460, 480, 552, 640, 690, 718, 736, 768, 920, 960, 1077, 1104, 1280, 1380, 1436, 1472, 1795, 1840, 1920, 2154, 2208, 2760, 2872, 2944, 3590, 3680, 3840, 4308, 4416, 5385, 5520, 5744, 5888, 7180, 7360, 8257, 8616, 8832, 10770, 11040, 11488, 14360, 14720, 16514, 17232, 17664, 21540, 22080, 22976, 24771, 28720, 29440, 33028, 34464, 41285, 43080, 44160, 45952, 49542, 57440, 66056, 68928, 82570, 86160, 88320, 91904, 99084, 114880, 123855, 132112, 137856, 165140, 172320, 198168, 229760, 247710, 264224, 275712, 330280, 344640, 396336, 459520, 495420, 528448, 660560, 689280, 792672, 990840, 1056896, 1321120, 1378560, 1585344, 1981680, 2113792, 2642240, 3170688, 3963360, 5284480, 6341376, 7926720, 10568960, 15853440, 31706880]

約数ペア:

[(1, 31706880), (2, 15853440), (3, 10568960), (4, 7926720), (5, 6341376), (6, 5284480), (8, 3963360), (10, 3170688), (12, 2642240), (15, 2113792), (16, 1981680), (20, 1585344), (23, 1378560), (24, 1321120), (30, 1056896), (32, 990840), (40, 792672), (46, 689280), (48, 660560), (60, 528448), (64, 495420), (69, 459520), (80, 396336), (92, 344640), (96, 330280), (115, 275712), (120, 264224), (128, 247710), (138, 229760), (160, 198168), (184, 172320), (192, 165140), (230, 137856), (240, 132112), (256, 123855), (276, 114880), (320, 99084), (345, 91904), (359, 88320), (368, 86160), (384, 82570), (460, 68928), (480, 66056), (552, 57440), (640, 49542), (690, 45952), (718, 44160), (736, 43080), (768, 41285), (920, 34464), (960, 33028), (1077, 29440), (1104, 28720), (1280, 24771), (1380, 22976), (1436, 22080), (1472, 21540), (1795, 17664), (1840, 17232), (1920, 16514), (2154, 14720), (2208, 14360), (2760, 11488), (2872, 11040), (2944, 10770), (3590, 8832), (3680, 8616), (3840, 8257), (4308, 7360), (4416, 7180), (5385, 5888), (5520, 5744)]