30156140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4583}}^1$

素因数の和:4646

約数の個数: 48

約数和(自身を含む): 73930752

約数和(自身を除く): 43774612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 4583, 6580, 9166, 18332, 22915, 32081, 45830, 64162, 91660, 128324, 160405, 215401, 320810, 430802, 641620, 861604, 1077005, 1507807, 2154010, 3015614, 4308020, 6031228, 7539035, 15078070, 30156140]

約数ペア:

[(1, 30156140), (2, 15078070), (4, 7539035), (5, 6031228), (7, 4308020), (10, 3015614), (14, 2154010), (20, 1507807), (28, 1077005), (35, 861604), (47, 641620), (70, 430802), (94, 320810), (140, 215401), (188, 160405), (235, 128324), (329, 91660), (470, 64162), (658, 45830), (940, 32081), (1316, 22915), (1645, 18332), (3290, 9166), (4583, 6580)]