28283820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{613}}^1\times {\mathrm{769}}^1$

素因数の和:1394

約数の個数: 48

約数和(自身を含む): 79427040

約数和(自身を除く): 51143220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 613, 769, 1226, 1538, 1839, 2307, 2452, 3065, 3076, 3678, 3845, 4614, 6130, 7356, 7690, 9195, 9228, 11535, 12260, 15380, 18390, 23070, 36780, 46140, 471397, 942794, 1414191, 1885588, 2356985, 2828382, 4713970, 5656764, 7070955, 9427940, 14141910, 28283820]

約数ペア:

[(1, 28283820), (2, 14141910), (3, 9427940), (4, 7070955), (5, 5656764), (6, 4713970), (10, 2828382), (12, 2356985), (15, 1885588), (20, 1414191), (30, 942794), (60, 471397), (613, 46140), (769, 36780), (1226, 23070), (1538, 18390), (1839, 15380), (2307, 12260), (2452, 11535), (3065, 9228), (3076, 9195), (3678, 7690), (3845, 7356), (4614, 6130)]