61286640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{255361}}^1$

素因数の和:255377

約数の個数: 40

約数和(自身を含む): 189989328

約数和(自身を除く): 128702688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 255361, 510722, 766083, 1021444, 1276805, 1532166, 2042888, 2553610, 3064332, 3830415, 4085776, 5107220, 6128664, 7660830, 10214440, 12257328, 15321660, 20428880, 30643320, 61286640]

約数ペア:

[(1, 61286640), (2, 30643320), (3, 20428880), (4, 15321660), (5, 12257328), (6, 10214440), (8, 7660830), (10, 6128664), (12, 5107220), (15, 4085776), (16, 3830415), (20, 3064332), (24, 2553610), (30, 2042888), (40, 1532166), (48, 1276805), (60, 1021444), (80, 766083), (120, 510722), (240, 255361)]