8159340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19427}}^1$

素因数の和:19446

約数の個数: 48

約数和(自身を含む): 26111232

約数和(自身を除く): 17951892

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 19427, 38854, 58281, 77708, 97135, 116562, 135989, 194270, 233124, 271978, 291405, 388540, 407967, 543956, 582810, 679945, 815934, 1165620, 1359890, 1631868, 2039835, 2719780, 4079670, 8159340]

約数ペア:

[(1, 8159340), (2, 4079670), (3, 2719780), (4, 2039835), (5, 1631868), (6, 1359890), (7, 1165620), (10, 815934), (12, 679945), (14, 582810), (15, 543956), (20, 407967), (21, 388540), (28, 291405), (30, 271978), (35, 233124), (42, 194270), (60, 135989), (70, 116562), (84, 97135), (105, 77708), (140, 58281), (210, 38854), (420, 19427)]