147779520

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{21991}}^1$

素因数の和:22018

約数の個数: 112

約数和(自身を含む): 536252928

約数和(自身を除く): 388473408

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 21991, 43982, 65973, 87964, 109955, 131946, 153937, 175928, 219910, 263892, 307874, 329865, 351856, 439820, 461811, 527784, 615748, 659730, 703712, 769685, 879640, 923622, 1055568, 1231496, 1319460, 1407424, 1539370, 1759280, 1847244, 2111136, 2309055, 2462992, 2638920, 3078740, 3518560, 3694488, 4222272, 4618110, 4925984, 5277840, 6157480, 7037120, 7388976, 9236220, 9851968, 10555680, 12314960, 14777952, 18472440, 21111360, 24629920, 29555904, 36944880, 49259840, 73889760, 147779520]

約数ペア:

[(1, 147779520), (2, 73889760), (3, 49259840), (4, 36944880), (5, 29555904), (6, 24629920), (7, 21111360), (8, 18472440), (10, 14777952), (12, 12314960), (14, 10555680), (15, 9851968), (16, 9236220), (20, 7388976), (21, 7037120), (24, 6157480), (28, 5277840), (30, 4925984), (32, 4618110), (35, 4222272), (40, 3694488), (42, 3518560), (48, 3078740), (56, 2638920), (60, 2462992), (64, 2309055), (70, 2111136), (80, 1847244), (84, 1759280), (96, 1539370), (105, 1407424), (112, 1319460), (120, 1231496), (140, 1055568), (160, 923622), (168, 879640), (192, 769685), (210, 703712), (224, 659730), (240, 615748), (280, 527784), (320, 461811), (336, 439820), (420, 351856), (448, 329865), (480, 307874), (560, 263892), (672, 219910), (840, 175928), (960, 153937), (1120, 131946), (1344, 109955), (1680, 87964), (2240, 65973), (3360, 43982), (6720, 21991)]