219180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 663264

約数和(自身を除く): 444084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 281, 390, 562, 780, 843, 1124, 1405, 1686, 2810, 3372, 3653, 4215, 5620, 7306, 8430, 10959, 14612, 16860, 18265, 21918, 36530, 43836, 54795, 73060, 109590, 219180]

約数ペア:

[(1, 219180), (2, 109590), (3, 73060), (4, 54795), (5, 43836), (6, 36530), (10, 21918), (12, 18265), (13, 16860), (15, 14612), (20, 10959), (26, 8430), (30, 7306), (39, 5620), (52, 4215), (60, 3653), (65, 3372), (78, 2810), (130, 1686), (156, 1405), (195, 1124), (260, 843), (281, 780), (390, 562)]