1555603740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{27611}}^1$

素因数の和:27939

約数の個数: 72

約数和(自身を含む): 4733911728

約数和(自身を除く): 3178307988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 313, 626, 939, 1252, 1565, 1878, 2817, 3130, 3756, 4695, 5634, 6260, 9390, 11268, 14085, 18780, 27611, 28170, 55222, 56340, 82833, 110444, 138055, 165666, 248499, 276110, 331332, 414165, 496998, 552220, 828330, 993996, 1242495, 1656660, 2484990, 4969980, 8642243, 17284486, 25926729, 34568972, 43211215, 51853458, 77780187, 86422430, 103706916, 129633645, 155560374, 172844860, 259267290, 311120748, 388900935, 518534580, 777801870, 1555603740]

約数ペア:

[(1, 1555603740), (2, 777801870), (3, 518534580), (4, 388900935), (5, 311120748), (6, 259267290), (9, 172844860), (10, 155560374), (12, 129633645), (15, 103706916), (18, 86422430), (20, 77780187), (30, 51853458), (36, 43211215), (45, 34568972), (60, 25926729), (90, 17284486), (180, 8642243), (313, 4969980), (626, 2484990), (939, 1656660), (1252, 1242495), (1565, 993996), (1878, 828330), (2817, 552220), (3130, 496998), (3756, 414165), (4695, 331332), (5634, 276110), (6260, 248499), (9390, 165666), (11268, 138055), (14085, 110444), (18780, 82833), (27611, 56340), (28170, 55222)]