249274920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2441}}^1$

素因数の和:2515

約数の個数: 128

約数和(自身を含む): 801757440

約数和(自身を除く): 552482520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 37, 40, 46, 60, 69, 74, 92, 111, 115, 120, 138, 148, 184, 185, 222, 230, 276, 296, 345, 370, 444, 460, 552, 555, 690, 740, 851, 888, 920, 1110, 1380, 1480, 1702, 2220, 2441, 2553, 2760, 3404, 4255, 4440, 4882, 5106, 6808, 7323, 8510, 9764, 10212, 12205, 12765, 14646, 17020, 19528, 20424, 24410, 25530, 29292, 34040, 36615, 48820, 51060, 56143, 58584, 73230, 90317, 97640, 102120, 112286, 146460, 168429, 180634, 224572, 270951, 280715, 292920, 336858, 361268, 449144, 451585, 541902, 561430, 673716, 722536, 842145, 903170, 1083804, 1122860, 1347432, 1354755, 1684290, 1806340, 2077291, 2167608, 2245720, 2709510, 3368580, 3612680, 4154582, 5419020, 6231873, 6737160, 8309164, 10386455, 10838040, 12463746, 16618328, 20772910, 24927492, 31159365, 41545820, 49854984, 62318730, 83091640, 124637460, 249274920]

約数ペア:

[(1, 249274920), (2, 124637460), (3, 83091640), (4, 62318730), (5, 49854984), (6, 41545820), (8, 31159365), (10, 24927492), (12, 20772910), (15, 16618328), (20, 12463746), (23, 10838040), (24, 10386455), (30, 8309164), (37, 6737160), (40, 6231873), (46, 5419020), (60, 4154582), (69, 3612680), (74, 3368580), (92, 2709510), (111, 2245720), (115, 2167608), (120, 2077291), (138, 1806340), (148, 1684290), (184, 1354755), (185, 1347432), (222, 1122860), (230, 1083804), (276, 903170), (296, 842145), (345, 722536), (370, 673716), (444, 561430), (460, 541902), (552, 451585), (555, 449144), (690, 361268), (740, 336858), (851, 292920), (888, 280715), (920, 270951), (1110, 224572), (1380, 180634), (1480, 168429), (1702, 146460), (2220, 112286), (2441, 102120), (2553, 97640), (2760, 90317), (3404, 73230), (4255, 58584), (4440, 56143), (4882, 51060), (5106, 48820), (6808, 36615), (7323, 34040), (8510, 29292), (9764, 25530), (10212, 24410), (12205, 20424), (12765, 19528), (14646, 17020)]