326728920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{388963}}^1$

素因数の和:388984

約数の個数: 64

約数和(自身を含む): 1120216320

約数和(自身を除く): 793487400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 388963, 777926, 1166889, 1555852, 1944815, 2333778, 2722741, 3111704, 3889630, 4667556, 5445482, 5834445, 7779260, 8168223, 9335112, 10890964, 11668890, 13613705, 15558520, 16336446, 21781928, 23337780, 27227410, 32672892, 40841115, 46675560, 54454820, 65345784, 81682230, 108909640, 163364460, 326728920]

約数ペア:

[(1, 326728920), (2, 163364460), (3, 108909640), (4, 81682230), (5, 65345784), (6, 54454820), (7, 46675560), (8, 40841115), (10, 32672892), (12, 27227410), (14, 23337780), (15, 21781928), (20, 16336446), (21, 15558520), (24, 13613705), (28, 11668890), (30, 10890964), (35, 9335112), (40, 8168223), (42, 7779260), (56, 5834445), (60, 5445482), (70, 4667556), (84, 3889630), (105, 3111704), (120, 2722741), (140, 2333778), (168, 1944815), (210, 1555852), (280, 1166889), (420, 777926), (840, 388963)]