15375940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{941}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 34816320

約数和(自身を除く): 19440380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 941, 1634, 1882, 3268, 3764, 4085, 4705, 8170, 9410, 16340, 17879, 18820, 35758, 40463, 71516, 80926, 89395, 161852, 178790, 202315, 357580, 404630, 768797, 809260, 1537594, 3075188, 3843985, 7687970, 15375940]

約数ペア:

[(1, 15375940), (2, 7687970), (4, 3843985), (5, 3075188), (10, 1537594), (19, 809260), (20, 768797), (38, 404630), (43, 357580), (76, 202315), (86, 178790), (95, 161852), (172, 89395), (190, 80926), (215, 71516), (380, 40463), (430, 35758), (817, 18820), (860, 17879), (941, 16340), (1634, 9410), (1882, 8170), (3268, 4705), (3764, 4085)]