7845990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 20030976

約数和(自身を除く): 12184986

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 83, 115, 137, 138, 166, 230, 249, 274, 345, 411, 415, 498, 685, 690, 822, 830, 1245, 1370, 1909, 2055, 2490, 3151, 3818, 4110, 5727, 6302, 9453, 9545, 11371, 11454, 15755, 18906, 19090, 22742, 28635, 31510, 34113, 47265, 56855, 57270, 68226, 94530, 113710, 170565, 261533, 341130, 523066, 784599, 1307665, 1569198, 2615330, 3922995, 7845990]

約数ペア:

[(1, 7845990), (2, 3922995), (3, 2615330), (5, 1569198), (6, 1307665), (10, 784599), (15, 523066), (23, 341130), (30, 261533), (46, 170565), (69, 113710), (83, 94530), (115, 68226), (137, 57270), (138, 56855), (166, 47265), (230, 34113), (249, 31510), (274, 28635), (345, 22742), (411, 19090), (415, 18906), (498, 15755), (685, 11454), (690, 11371), (822, 9545), (830, 9453), (1245, 6302), (1370, 5727), (1909, 4110), (2055, 3818), (2490, 3151)]