231432840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{642869}}^1$

素因数の和:642886

約数の個数: 48

約数和(自身を含む): 752157900

約数和(自身を除く): 520725060

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, 642869, 1285738, 1928607, 2571476, 3214345, 3857214, 5142952, 5785821, 6428690, 7714428, 9643035, 11571642, 12857380, 15428856, 19286070, 23143284, 25714760, 28929105, 38572140, 46286568, 57858210, 77144280, 115716420, 231432840]

約数ペア:

[(1, 231432840), (2, 115716420), (3, 77144280), (4, 57858210), (5, 46286568), (6, 38572140), (8, 28929105), (9, 25714760), (10, 23143284), (12, 19286070), (15, 15428856), (18, 12857380), (20, 11571642), (24, 9643035), (30, 7714428), (36, 6428690), (40, 5785821), (45, 5142952), (60, 3857214), (72, 3214345), (90, 2571476), (120, 1928607), (180, 1285738), (360, 642869)]