51298280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 135924480

約数和(自身を除く): 84626200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 37, 40, 44, 46, 55, 74, 88, 92, 110, 115, 137, 148, 184, 185, 220, 230, 253, 274, 296, 370, 407, 440, 460, 506, 548, 685, 740, 814, 851, 920, 1012, 1096, 1265, 1370, 1480, 1507, 1628, 1702, 2024, 2035, 2530, 2740, 3014, 3151, 3256, 3404, 4070, 4255, 5060, 5069, 5480, 6028, 6302, 6808, 7535, 8140, 8510, 9361, 10120, 10138, 12056, 12604, 15070, 15755, 16280, 17020, 18722, 20276, 25208, 25345, 30140, 31510, 34040, 34661, 37444, 40552, 46805, 50690, 55759, 60280, 63020, 69322, 74888, 93610, 101380, 111518, 116587, 126040, 138644, 173305, 187220, 202760, 223036, 233174, 277288, 278795, 346610, 374440, 446072, 466348, 557590, 582935, 693220, 932696, 1115180, 1165870, 1282457, 1386440, 2230360, 2331740, 2564914, 4663480, 5129828, 6412285, 10259656, 12824570, 25649140, 51298280]

約数ペア:

[(1, 51298280), (2, 25649140), (4, 12824570), (5, 10259656), (8, 6412285), (10, 5129828), (11, 4663480), (20, 2564914), (22, 2331740), (23, 2230360), (37, 1386440), (40, 1282457), (44, 1165870), (46, 1115180), (55, 932696), (74, 693220), (88, 582935), (92, 557590), (110, 466348), (115, 446072), (137, 374440), (148, 346610), (184, 278795), (185, 277288), (220, 233174), (230, 223036), (253, 202760), (274, 187220), (296, 173305), (370, 138644), (407, 126040), (440, 116587), (460, 111518), (506, 101380), (548, 93610), (685, 74888), (740, 69322), (814, 63020), (851, 60280), (920, 55759), (1012, 50690), (1096, 46805), (1265, 40552), (1370, 37444), (1480, 34661), (1507, 34040), (1628, 31510), (1702, 30140), (2024, 25345), (2035, 25208), (2530, 20276), (2740, 18722), (3014, 17020), (3151, 16280), (3256, 15755), (3404, 15070), (4070, 12604), (4255, 12056), (5060, 10138), (5069, 10120), (5480, 9361), (6028, 8510), (6302, 8140), (6808, 7535)]