16721580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1217}}^1$

素因数の和:1458

約数の個数: 48

約数和(自身を含む): 47063520

約数和(自身を除く): 30341940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 229, 458, 687, 916, 1145, 1217, 1374, 2290, 2434, 2748, 3435, 3651, 4580, 4868, 6085, 6870, 7302, 12170, 13740, 14604, 18255, 24340, 36510, 73020, 278693, 557386, 836079, 1114772, 1393465, 1672158, 2786930, 3344316, 4180395, 5573860, 8360790, 16721580]

約数ペア:

[(1, 16721580), (2, 8360790), (3, 5573860), (4, 4180395), (5, 3344316), (6, 2786930), (10, 1672158), (12, 1393465), (15, 1114772), (20, 836079), (30, 557386), (60, 278693), (229, 73020), (458, 36510), (687, 24340), (916, 18255), (1145, 14604), (1217, 13740), (1374, 12170), (2290, 7302), (2434, 6870), (2748, 6085), (3435, 4868), (3651, 4580)]