1487820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 4219488

約数和(自身を除く): 2731668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 181, 274, 362, 411, 543, 548, 685, 724, 822, 905, 1086, 1370, 1644, 1810, 2055, 2172, 2715, 2740, 3620, 4110, 5430, 8220, 10860, 24797, 49594, 74391, 99188, 123985, 148782, 247970, 297564, 371955, 495940, 743910, 1487820]

約数ペア:

[(1, 1487820), (2, 743910), (3, 495940), (4, 371955), (5, 297564), (6, 247970), (10, 148782), (12, 123985), (15, 99188), (20, 74391), (30, 49594), (60, 24797), (137, 10860), (181, 8220), (274, 5430), (362, 4110), (411, 3620), (543, 2740), (548, 2715), (685, 2172), (724, 2055), (822, 1810), (905, 1644), (1086, 1370)]