1243669840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2220839}}^1$

素因数の和:2220859

約数の個数: 40

約数和(自身を含む): 3304609920

約数和(自身を除く): 2060940080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2220839, 4441678, 8883356, 11104195, 15545873, 17766712, 22208390, 31091746, 35533424, 44416780, 62183492, 77729365, 88833560, 124366984, 155458730, 177667120, 248733968, 310917460, 621834920, 1243669840]

約数ペア:

[(1, 1243669840), (2, 621834920), (4, 310917460), (5, 248733968), (7, 177667120), (8, 155458730), (10, 124366984), (14, 88833560), (16, 77729365), (20, 62183492), (28, 44416780), (35, 35533424), (40, 31091746), (56, 22208390), (70, 17766712), (80, 15545873), (112, 11104195), (140, 8883356), (280, 4441678), (560, 2220839)]