1440080

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:443

約数の個数: 40

約数和(自身を含む): 3428352

約数和(自身を除く): 1988272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 383, 470, 752, 766, 940, 1532, 1880, 1915, 3064, 3760, 3830, 6128, 7660, 15320, 18001, 30640, 36002, 72004, 90005, 144008, 180010, 288016, 360020, 720040, 1440080]

約数ペア:

[(1, 1440080), (2, 720040), (4, 360020), (5, 288016), (8, 180010), (10, 144008), (16, 90005), (20, 72004), (40, 36002), (47, 30640), (80, 18001), (94, 15320), (188, 7660), (235, 6128), (376, 3830), (383, 3760), (470, 3064), (752, 1915), (766, 1880), (940, 1532)]