164639720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{587999}}^1$

素因数の和:588017

約数の個数: 32

約数和(自身を含む): 423360000

約数和(自身を除く): 258720280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 587999, 1175998, 2351996, 2939995, 4115993, 4703992, 5879990, 8231986, 11759980, 16463972, 20579965, 23519960, 32927944, 41159930, 82319860, 164639720]

約数ペア:

[(1, 164639720), (2, 82319860), (4, 41159930), (5, 32927944), (7, 23519960), (8, 20579965), (10, 16463972), (14, 11759980), (20, 8231986), (28, 5879990), (35, 4703992), (40, 4115993), (56, 2939995), (70, 2351996), (140, 1175998), (280, 587999)]