1620341745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{631}}^1$

素因数の和:926

約数の個数: 64

約数和(自身を含む): 2883133440

約数和(自身を除く): 1262791695

約数列:

[1, 3, 5, 11, 15, 33, 55, 79, 165, 197, 237, 395, 591, 631, 869, 985, 1185, 1893, 2167, 2607, 2955, 3155, 4345, 6501, 6941, 9465, 10835, 13035, 15563, 20823, 32505, 34705, 46689, 49849, 77815, 104115, 124307, 149547, 171193, 233445, 249245, 372921, 513579, 548339, 621535, 747735, 855965, 1367377, 1645017, 1864605, 2567895, 2741695, 4102131, 6836885, 8225085, 9820253, 20510655, 29460759, 49101265, 108022783, 147303795, 324068349, 540113915, 1620341745]

約数ペア:

[(1, 1620341745), (3, 540113915), (5, 324068349), (11, 147303795), (15, 108022783), (33, 49101265), (55, 29460759), (79, 20510655), (165, 9820253), (197, 8225085), (237, 6836885), (395, 4102131), (591, 2741695), (631, 2567895), (869, 1864605), (985, 1645017), (1185, 1367377), (1893, 855965), (2167, 747735), (2607, 621535), (2955, 548339), (3155, 513579), (4345, 372921), (6501, 249245), (6941, 233445), (9465, 171193), (10835, 149547), (13035, 124307), (15563, 104115), (20823, 77815), (32505, 49849), (34705, 46689)]