65405520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{90841}}^1$

素因数の和:90860

約数の個数: 60

約数和(自身を含む): 219655956

約数和(自身を除く): 154250436

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 90841, 181682, 272523, 363364, 454205, 545046, 726728, 817569, 908410, 1090092, 1362615, 1453456, 1635138, 1816820, 2180184, 2725230, 3270276, 3633640, 4087845, 4360368, 5450460, 6540552, 7267280, 8175690, 10900920, 13081104, 16351380, 21801840, 32702760, 65405520]

約数ペア:

[(1, 65405520), (2, 32702760), (3, 21801840), (4, 16351380), (5, 13081104), (6, 10900920), (8, 8175690), (9, 7267280), (10, 6540552), (12, 5450460), (15, 4360368), (16, 4087845), (18, 3633640), (20, 3270276), (24, 2725230), (30, 2180184), (36, 1816820), (40, 1635138), (45, 1453456), (48, 1362615), (60, 1090092), (72, 908410), (80, 817569), (90, 726728), (120, 545046), (144, 454205), (180, 363364), (240, 272523), (360, 181682), (720, 90841)]