7681020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{409}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 21628320

約数和(自身を除く): 13947300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 313, 409, 626, 818, 939, 1227, 1252, 1565, 1636, 1878, 2045, 2454, 3130, 3756, 4090, 4695, 4908, 6135, 6260, 8180, 9390, 12270, 18780, 24540, 128017, 256034, 384051, 512068, 640085, 768102, 1280170, 1536204, 1920255, 2560340, 3840510, 7681020]

約数ペア:

[(1, 7681020), (2, 3840510), (3, 2560340), (4, 1920255), (5, 1536204), (6, 1280170), (10, 768102), (12, 640085), (15, 512068), (20, 384051), (30, 256034), (60, 128017), (313, 24540), (409, 18780), (626, 12270), (818, 9390), (939, 8180), (1227, 6260), (1252, 6135), (1565, 4908), (1636, 4695), (1878, 4090), (2045, 3756), (2454, 3130)]