78728820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{15809}}^1$

素因数の和:15904

約数の個数: 48

約数和(自身を含む): 223110720

約数和(自身を除く): 144381900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 83, 166, 249, 332, 415, 498, 830, 996, 1245, 1660, 2490, 4980, 15809, 31618, 47427, 63236, 79045, 94854, 158090, 189708, 237135, 316180, 474270, 948540, 1312147, 2624294, 3936441, 5248588, 6560735, 7872882, 13121470, 15745764, 19682205, 26242940, 39364410, 78728820]

約数ペア:

[(1, 78728820), (2, 39364410), (3, 26242940), (4, 19682205), (5, 15745764), (6, 13121470), (10, 7872882), (12, 6560735), (15, 5248588), (20, 3936441), (30, 2624294), (60, 1312147), (83, 948540), (166, 474270), (249, 316180), (332, 237135), (415, 189708), (498, 158090), (830, 94854), (996, 79045), (1245, 63236), (1660, 47427), (2490, 31618), (4980, 15809)]