845940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 2475648

約数和(自身を除く): 1629708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 613, 690, 1226, 1380, 1839, 2452, 3065, 3678, 6130, 7356, 9195, 12260, 14099, 18390, 28198, 36780, 42297, 56396, 70495, 84594, 140990, 169188, 211485, 281980, 422970, 845940]

約数ペア:

[(1, 845940), (2, 422970), (3, 281980), (4, 211485), (5, 169188), (6, 140990), (10, 84594), (12, 70495), (15, 56396), (20, 42297), (23, 36780), (30, 28198), (46, 18390), (60, 14099), (69, 12260), (92, 9195), (115, 7356), (138, 6130), (230, 3678), (276, 3065), (345, 2452), (460, 1839), (613, 1380), (690, 1226)]