217445520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{906023}}^1$

素因数の和:906039

約数の個数: 40

約数和(自身を含む): 674081856

約数和(自身を除く): 456636336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 906023, 1812046, 2718069, 3624092, 4530115, 5436138, 7248184, 9060230, 10872276, 13590345, 14496368, 18120460, 21744552, 27180690, 36240920, 43489104, 54361380, 72481840, 108722760, 217445520]

約数ペア:

[(1, 217445520), (2, 108722760), (3, 72481840), (4, 54361380), (5, 43489104), (6, 36240920), (8, 27180690), (10, 21744552), (12, 18120460), (15, 14496368), (16, 13590345), (20, 10872276), (24, 9060230), (30, 7248184), (40, 5436138), (48, 4530115), (60, 3624092), (80, 2718069), (120, 1812046), (240, 906023)]