1520994495

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 2569273344

約数和(自身を除く): 1048278849

約数列:

[1, 3, 5, 15, 43, 47, 129, 131, 141, 215, 235, 383, 393, 645, 655, 705, 1149, 1915, 1965, 2021, 5633, 5745, 6063, 6157, 10105, 16469, 16899, 18001, 18471, 28165, 30315, 30785, 49407, 50173, 54003, 82345, 84495, 90005, 92355, 150519, 247035, 250865, 264751, 270015, 752595, 774043, 794253, 1323755, 2157439, 2322129, 2358131, 3870215, 3971265, 6472317, 7074393, 10787195, 11610645, 11790655, 32361585, 35371965, 101399633, 304198899, 506998165, 1520994495]

約数ペア:

[(1, 1520994495), (3, 506998165), (5, 304198899), (15, 101399633), (43, 35371965), (47, 32361585), (129, 11790655), (131, 11610645), (141, 10787195), (215, 7074393), (235, 6472317), (383, 3971265), (393, 3870215), (645, 2358131), (655, 2322129), (705, 2157439), (1149, 1323755), (1915, 794253), (1965, 774043), (2021, 752595), (5633, 270015), (5745, 264751), (6063, 250865), (6157, 247035), (10105, 150519), (16469, 92355), (16899, 90005), (18001, 84495), (18471, 82345), (28165, 54003), (30315, 50173), (30785, 49407)]