90740720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5227}}^1$

素因数の和:5278

約数の個数: 80

約数和(自身を含む): 248936448

約数和(自身を除く): 158195728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 5227, 8680, 10454, 17360, 20908, 26135, 36589, 41816, 52270, 73178, 83632, 104540, 146356, 162037, 182945, 209080, 292712, 324074, 365890, 418160, 585424, 648148, 731780, 810185, 1134259, 1296296, 1463560, 1620370, 2268518, 2592592, 2927120, 3240740, 4537036, 5671295, 6481480, 9074072, 11342590, 12962960, 18148144, 22685180, 45370360, 90740720]

約数ペア:

[(1, 90740720), (2, 45370360), (4, 22685180), (5, 18148144), (7, 12962960), (8, 11342590), (10, 9074072), (14, 6481480), (16, 5671295), (20, 4537036), (28, 3240740), (31, 2927120), (35, 2592592), (40, 2268518), (56, 1620370), (62, 1463560), (70, 1296296), (80, 1134259), (112, 810185), (124, 731780), (140, 648148), (155, 585424), (217, 418160), (248, 365890), (280, 324074), (310, 292712), (434, 209080), (496, 182945), (560, 162037), (620, 146356), (868, 104540), (1085, 83632), (1240, 73178), (1736, 52270), (2170, 41816), (2480, 36589), (3472, 26135), (4340, 20908), (5227, 17360), (8680, 10454)]