8991390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 22934016

約数和(自身を除く): 13942626

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 83, 115, 138, 157, 166, 230, 249, 314, 345, 415, 471, 498, 690, 785, 830, 942, 1245, 1570, 1909, 2355, 2490, 3611, 3818, 4710, 5727, 7222, 9545, 10833, 11454, 13031, 18055, 19090, 21666, 26062, 28635, 36110, 39093, 54165, 57270, 65155, 78186, 108330, 130310, 195465, 299713, 390930, 599426, 899139, 1498565, 1798278, 2997130, 4495695, 8991390]

約数ペア:

[(1, 8991390), (2, 4495695), (3, 2997130), (5, 1798278), (6, 1498565), (10, 899139), (15, 599426), (23, 390930), (30, 299713), (46, 195465), (69, 130310), (83, 108330), (115, 78186), (138, 65155), (157, 57270), (166, 54165), (230, 39093), (249, 36110), (314, 28635), (345, 26062), (415, 21666), (471, 19090), (498, 18055), (690, 13031), (785, 11454), (830, 10833), (942, 9545), (1245, 7222), (1570, 5727), (1909, 4710), (2355, 3818), (2490, 3611)]