1726140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2213}}^1$

素因数の和:2238

約数の個数: 48

約数和(自身を含む): 5207328

約数和(自身を除く): 3481188

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, 390, 780, 2213, 4426, 6639, 8852, 11065, 13278, 22130, 26556, 28769, 33195, 44260, 57538, 66390, 86307, 115076, 132780, 143845, 172614, 287690, 345228, 431535, 575380, 863070, 1726140]

約数ペア:

[(1, 1726140), (2, 863070), (3, 575380), (4, 431535), (5, 345228), (6, 287690), (10, 172614), (12, 143845), (13, 132780), (15, 115076), (20, 86307), (26, 66390), (30, 57538), (39, 44260), (52, 33195), (60, 28769), (65, 26556), (78, 22130), (130, 13278), (156, 11065), (195, 8852), (260, 6639), (390, 4426), (780, 2213)]