128348080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{547}}^1$

素因数の和:986

約数の個数: 80

約数和(自身を含む): 342478080

約数和(自身を除く): 214130000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 419, 547, 560, 838, 1094, 1676, 2095, 2188, 2735, 2933, 3352, 3829, 4190, 4376, 5470, 5866, 6704, 7658, 8380, 8752, 10940, 11732, 14665, 15316, 16760, 19145, 21880, 23464, 29330, 30632, 33520, 38290, 43760, 46928, 58660, 61264, 76580, 117320, 153160, 229193, 234640, 306320, 458386, 916772, 1145965, 1604351, 1833544, 2291930, 3208702, 3667088, 4583860, 6417404, 8021755, 9167720, 12834808, 16043510, 18335440, 25669616, 32087020, 64174040, 128348080]

約数ペア:

[(1, 128348080), (2, 64174040), (4, 32087020), (5, 25669616), (7, 18335440), (8, 16043510), (10, 12834808), (14, 9167720), (16, 8021755), (20, 6417404), (28, 4583860), (35, 3667088), (40, 3208702), (56, 2291930), (70, 1833544), (80, 1604351), (112, 1145965), (140, 916772), (280, 458386), (419, 306320), (547, 234640), (560, 229193), (838, 153160), (1094, 117320), (1676, 76580), (2095, 61264), (2188, 58660), (2735, 46928), (2933, 43760), (3352, 38290), (3829, 33520), (4190, 30632), (4376, 29330), (5470, 23464), (5866, 21880), (6704, 19145), (7658, 16760), (8380, 15316), (8752, 14665), (10940, 11732)]