30405660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1531}}^1$

素因数の和:1874

約数の個数: 48

約数和(自身を含む): 85448832

約数和(自身を除く): 55043172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331, 662, 993, 1324, 1531, 1655, 1986, 3062, 3310, 3972, 4593, 4965, 6124, 6620, 7655, 9186, 9930, 15310, 18372, 19860, 22965, 30620, 45930, 91860, 506761, 1013522, 1520283, 2027044, 2533805, 3040566, 5067610, 6081132, 7601415, 10135220, 15202830, 30405660]

約数ペア:

[(1, 30405660), (2, 15202830), (3, 10135220), (4, 7601415), (5, 6081132), (6, 5067610), (10, 3040566), (12, 2533805), (15, 2027044), (20, 1520283), (30, 1013522), (60, 506761), (331, 91860), (662, 45930), (993, 30620), (1324, 22965), (1531, 19860), (1655, 18372), (1986, 15310), (3062, 9930), (3310, 9186), (3972, 7655), (4593, 6620), (4965, 6124)]