9979740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{18481}}^1$

素因数の和:18499

約数の個数: 48

約数和(自身を含む): 31049760

約数和(自身を除く): 21070020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 18481, 36962, 55443, 73924, 92405, 110886, 166329, 184810, 221772, 277215, 332658, 369620, 498987, 554430, 665316, 831645, 997974, 1108860, 1663290, 1995948, 2494935, 3326580, 4989870, 9979740]

約数ペア:

[(1, 9979740), (2, 4989870), (3, 3326580), (4, 2494935), (5, 1995948), (6, 1663290), (9, 1108860), (10, 997974), (12, 831645), (15, 665316), (18, 554430), (20, 498987), (27, 369620), (30, 332658), (36, 277215), (45, 221772), (54, 184810), (60, 166329), (90, 110886), (108, 92405), (135, 73924), (180, 55443), (270, 36962), (540, 18481)]