7237880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 18144000

約数和(自身を除く): 10906120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 449, 520, 620, 806, 898, 1240, 1612, 1796, 2015, 2245, 3224, 3592, 4030, 4490, 5837, 8060, 8980, 11674, 13919, 16120, 17960, 23348, 27838, 29185, 46696, 55676, 58370, 69595, 111352, 116740, 139190, 180947, 233480, 278380, 361894, 556760, 723788, 904735, 1447576, 1809470, 3618940, 7237880]

約数ペア:

[(1, 7237880), (2, 3618940), (4, 1809470), (5, 1447576), (8, 904735), (10, 723788), (13, 556760), (20, 361894), (26, 278380), (31, 233480), (40, 180947), (52, 139190), (62, 116740), (65, 111352), (104, 69595), (124, 58370), (130, 55676), (155, 46696), (248, 29185), (260, 27838), (310, 23348), (403, 17960), (449, 16120), (520, 13919), (620, 11674), (806, 8980), (898, 8060), (1240, 5837), (1612, 4490), (1796, 4030), (2015, 3592), (2245, 3224)]