289040080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{22441}}^1$

素因数の和:22484

約数の個数: 80

約数和(自身を含む): 801448704

約数和(自身を除く): 512408624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 22441, 44882, 89764, 112205, 157087, 179528, 224410, 314174, 359056, 448820, 516143, 628348, 785435, 897640, 1032286, 1256696, 1570870, 1795280, 2064572, 2513392, 2580715, 3141740, 3613001, 4129144, 5161430, 6283480, 7226002, 8258288, 10322860, 12566960, 14452004, 18065005, 20645720, 28904008, 36130010, 41291440, 57808016, 72260020, 144520040, 289040080]

約数ペア:

[(1, 289040080), (2, 144520040), (4, 72260020), (5, 57808016), (7, 41291440), (8, 36130010), (10, 28904008), (14, 20645720), (16, 18065005), (20, 14452004), (23, 12566960), (28, 10322860), (35, 8258288), (40, 7226002), (46, 6283480), (56, 5161430), (70, 4129144), (80, 3613001), (92, 3141740), (112, 2580715), (115, 2513392), (140, 2064572), (161, 1795280), (184, 1570870), (230, 1256696), (280, 1032286), (322, 897640), (368, 785435), (460, 628348), (560, 516143), (644, 448820), (805, 359056), (920, 314174), (1288, 224410), (1610, 179528), (1840, 157087), (2576, 112205), (3220, 89764), (6440, 44882), (12880, 22441)]