15551620

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2267}}^1$

素因数の和:2297

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 22550780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2267, 3430, 4534, 6860, 9068, 11335, 15869, 22670, 31738, 45340, 63476, 79345, 111083, 158690, 222166, 317380, 444332, 555415, 777581, 1110830, 1555162, 2221660, 3110324, 3887905, 7775810, 15551620]

約数ペア:

[(1, 15551620), (2, 7775810), (4, 3887905), (5, 3110324), (7, 2221660), (10, 1555162), (14, 1110830), (20, 777581), (28, 555415), (35, 444332), (49, 317380), (70, 222166), (98, 158690), (140, 111083), (196, 79345), (245, 63476), (343, 45340), (490, 31738), (686, 22670), (980, 15869), (1372, 11335), (1715, 9068), (2267, 6860), (3430, 4534)]