31412360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2609}}^1$

素因数の和:2670

約数の個数: 64

約数和(自身を含む): 82684800

約数和(自身を除く): 51272440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 2609, 3010, 5218, 6020, 10436, 12040, 13045, 18263, 20872, 26090, 36526, 52180, 73052, 91315, 104360, 112187, 146104, 182630, 224374, 365260, 448748, 560935, 730520, 785309, 897496, 1121870, 1570618, 2243740, 3141236, 3926545, 4487480, 6282472, 7853090, 15706180, 31412360]

約数ペア:

[(1, 31412360), (2, 15706180), (4, 7853090), (5, 6282472), (7, 4487480), (8, 3926545), (10, 3141236), (14, 2243740), (20, 1570618), (28, 1121870), (35, 897496), (40, 785309), (43, 730520), (56, 560935), (70, 448748), (86, 365260), (140, 224374), (172, 182630), (215, 146104), (280, 112187), (301, 104360), (344, 91315), (430, 73052), (602, 52180), (860, 36526), (1204, 26090), (1505, 20872), (1720, 18263), (2408, 13045), (2609, 12040), (3010, 10436), (5218, 6020)]