7920840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:606

約数の個数: 64

約数和(自身を含む): 23976000

約数和(自身を除く): 16055160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149, 298, 443, 447, 596, 745, 886, 894, 1192, 1329, 1490, 1772, 1788, 2215, 2235, 2658, 2980, 3544, 3576, 4430, 4470, 5316, 5960, 6645, 8860, 8940, 10632, 13290, 17720, 17880, 26580, 53160, 66007, 132014, 198021, 264028, 330035, 396042, 528056, 660070, 792084, 990105, 1320140, 1584168, 1980210, 2640280, 3960420, 7920840]

約数ペア:

[(1, 7920840), (2, 3960420), (3, 2640280), (4, 1980210), (5, 1584168), (6, 1320140), (8, 990105), (10, 792084), (12, 660070), (15, 528056), (20, 396042), (24, 330035), (30, 264028), (40, 198021), (60, 132014), (120, 66007), (149, 53160), (298, 26580), (443, 17880), (447, 17720), (596, 13290), (745, 10632), (886, 8940), (894, 8860), (1192, 6645), (1329, 5960), (1490, 5316), (1772, 4470), (1788, 4430), (2215, 3576), (2235, 3544), (2658, 2980)]