215497680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{897907}}^1$

素因数の和:897923

約数の個数: 40

約数和(自身を含む): 668043552

約数和(自身を除く): 452545872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 897907, 1795814, 2693721, 3591628, 4489535, 5387442, 7183256, 8979070, 10774884, 13468605, 14366512, 17958140, 21549768, 26937210, 35916280, 43099536, 53874420, 71832560, 107748840, 215497680]

約数ペア:

[(1, 215497680), (2, 107748840), (3, 71832560), (4, 53874420), (5, 43099536), (6, 35916280), (8, 26937210), (10, 21549768), (12, 17958140), (15, 14366512), (16, 13468605), (20, 10774884), (24, 8979070), (30, 7183256), (40, 5387442), (48, 4489535), (60, 3591628), (80, 2693721), (120, 1795814), (240, 897907)]