15780070

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{157}}^1$

素因数の和:229

約数の個数: 48

約数和(自身を含む): 31454640

約数和(自身を除く): 15674570

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 157, 190, 230, 314, 437, 529, 785, 874, 1058, 1570, 2185, 2645, 2983, 3611, 4370, 5290, 5966, 7222, 10051, 14915, 18055, 20102, 29830, 36110, 50255, 68609, 83053, 100510, 137218, 166106, 343045, 415265, 686090, 830530, 1578007, 3156014, 7890035, 15780070]

約数ペア:

[(1, 15780070), (2, 7890035), (5, 3156014), (10, 1578007), (19, 830530), (23, 686090), (38, 415265), (46, 343045), (95, 166106), (115, 137218), (157, 100510), (190, 83053), (230, 68609), (314, 50255), (437, 36110), (529, 29830), (785, 20102), (874, 18055), (1058, 14915), (1570, 10051), (2185, 7222), (2645, 5966), (2983, 5290), (3611, 4370)]