64174040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{547}}^1$

素因数の和:984

約数の個数: 64

約数和(自身を含む): 165715200

約数和(自身を除く): 101541160

約数列:

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

約数ペア:

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