7020990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:625

約数の個数: 48

約数和(自身を含む): 18398016

約数和(自身を除く): 11377026

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 181, 362, 431, 543, 862, 905, 1086, 1293, 1629, 1810, 2155, 2586, 2715, 3258, 3879, 4310, 5430, 6465, 7758, 8145, 12930, 16290, 19395, 38790, 78011, 156022, 234033, 390055, 468066, 702099, 780110, 1170165, 1404198, 2340330, 3510495, 7020990]

約数ペア:

[(1, 7020990), (2, 3510495), (3, 2340330), (5, 1404198), (6, 1170165), (9, 780110), (10, 702099), (15, 468066), (18, 390055), (30, 234033), (45, 156022), (90, 78011), (181, 38790), (362, 19395), (431, 16290), (543, 12930), (862, 8145), (905, 7758), (1086, 6465), (1293, 5430), (1629, 4310), (1810, 3879), (2155, 3258), (2586, 2715)]