8316420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19801}}^1$

素因数の和:19820

約数の個数: 48

約数和(自身を含む): 26613888

約数和(自身を除く): 18297468

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, 19801, 39602, 59403, 79204, 99005, 118806, 138607, 198010, 237612, 277214, 297015, 396020, 415821, 554428, 594030, 693035, 831642, 1188060, 1386070, 1663284, 2079105, 2772140, 4158210, 8316420]

約数ペア:

[(1, 8316420), (2, 4158210), (3, 2772140), (4, 2079105), (5, 1663284), (6, 1386070), (7, 1188060), (10, 831642), (12, 693035), (14, 594030), (15, 554428), (20, 415821), (21, 396020), (28, 297015), (30, 277214), (35, 237612), (42, 198010), (60, 138607), (70, 118806), (84, 99005), (105, 79204), (140, 59403), (210, 39602), (420, 19801)]