248712840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{690869}}^1$

素因数の和:690886

約数の個数: 48

約数和(自身を含む): 808317900

約数和(自身を除く): 559605060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 690869, 1381738, 2072607, 2763476, 3454345, 4145214, 5526952, 6217821, 6908690, 8290428, 10363035, 12435642, 13817380, 16580856, 20726070, 24871284, 27634760, 31089105, 41452140, 49742568, 62178210, 82904280, 124356420, 248712840]

約数ペア:

[(1, 248712840), (2, 124356420), (3, 82904280), (4, 62178210), (5, 49742568), (6, 41452140), (8, 31089105), (9, 27634760), (10, 24871284), (12, 20726070), (15, 16580856), (18, 13817380), (20, 12435642), (24, 10363035), (30, 8290428), (36, 6908690), (40, 6217821), (45, 5526952), (60, 4145214), (72, 3454345), (90, 2763476), (120, 2072607), (180, 1381738), (360, 690869)]