17980140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7309}}^1$

素因数の和:7362

約数の個数: 48

約数和(自身を含む): 51579360

約数和(自身を除く): 33599220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 7309, 14618, 21927, 29236, 36545, 43854, 73090, 87708, 109635, 146180, 219270, 299669, 438540, 599338, 899007, 1198676, 1498345, 1798014, 2996690, 3596028, 4495035, 5993380, 8990070, 17980140]

約数ペア:

[(1, 17980140), (2, 8990070), (3, 5993380), (4, 4495035), (5, 3596028), (6, 2996690), (10, 1798014), (12, 1498345), (15, 1198676), (20, 899007), (30, 599338), (41, 438540), (60, 299669), (82, 219270), (123, 146180), (164, 109635), (205, 87708), (246, 73090), (410, 43854), (492, 36545), (615, 29236), (820, 21927), (1230, 14618), (2460, 7309)]