31513680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:226

約数の個数: 240

約数和(自身を含む): 121170816

約数和(自身を除く): 89657136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 23, 24, 30, 33, 36, 40, 44, 45, 46, 48, 55, 60, 66, 69, 72, 80, 88, 90, 92, 99, 110, 115, 120, 132, 138, 144, 165, 173, 176, 180, 184, 198, 207, 220, 230, 240, 253, 264, 276, 330, 345, 346, 360, 368, 396, 414, 440, 460, 495, 506, 519, 528, 552, 660, 690, 692, 720, 759, 792, 828, 865, 880, 920, 990, 1012, 1035, 1038, 1104, 1265, 1320, 1380, 1384, 1518, 1557, 1584, 1656, 1730, 1840, 1903, 1980, 2024, 2070, 2076, 2277, 2530, 2595, 2640, 2760, 2768, 3036, 3114, 3312, 3460, 3795, 3806, 3960, 3979, 4048, 4140, 4152, 4554, 5060, 5190, 5520, 5709, 6072, 6228, 6920, 7590, 7612, 7785, 7920, 7958, 8280, 8304, 9108, 9515, 10120, 10380, 11385, 11418, 11937, 12144, 12456, 13840, 15180, 15224, 15570, 15916, 16560, 17127, 18216, 19030, 19895, 20240, 20760, 22770, 22836, 23874, 24912, 28545, 30360, 30448, 31140, 31832, 34254, 35811, 36432, 38060, 39790, 41520, 43769, 45540, 45672, 47748, 57090, 59685, 60720, 62280, 63664, 68508, 71622, 76120, 79580, 85635, 87538, 91080, 91344, 95496, 114180, 119370, 124560, 131307, 137016, 143244, 152240, 159160, 171270, 175076, 179055, 182160, 190992, 218845, 228360, 238740, 262614, 274032, 286488, 318320, 342540, 350152, 358110, 393921, 437690, 456720, 477480, 525228, 572976, 656535, 685080, 700304, 716220, 787842, 875380, 954960, 1050456, 1313070, 1370160, 1432440, 1575684, 1750760, 1969605, 2100912, 2626140, 2864880, 3151368, 3501520, 3939210, 5252280, 6302736, 7878420, 10504560, 15756840, 31513680]

約数ペア:

[(1, 31513680), (2, 15756840), (3, 10504560), (4, 7878420), (5, 6302736), (6, 5252280), (8, 3939210), (9, 3501520), (10, 3151368), (11, 2864880), (12, 2626140), (15, 2100912), (16, 1969605), (18, 1750760), (20, 1575684), (22, 1432440), (23, 1370160), (24, 1313070), (30, 1050456), (33, 954960), (36, 875380), (40, 787842), (44, 716220), (45, 700304), (46, 685080), (48, 656535), (55, 572976), (60, 525228), (66, 477480), (69, 456720), (72, 437690), (80, 393921), (88, 358110), (90, 350152), (92, 342540), (99, 318320), (110, 286488), (115, 274032), (120, 262614), (132, 238740), (138, 228360), (144, 218845), (165, 190992), (173, 182160), (176, 179055), (180, 175076), (184, 171270), (198, 159160), (207, 152240), (220, 143244), (230, 137016), (240, 131307), (253, 124560), (264, 119370), (276, 114180), (330, 95496), (345, 91344), (346, 91080), (360, 87538), (368, 85635), (396, 79580), (414, 76120), (440, 71622), (460, 68508), (495, 63664), (506, 62280), (519, 60720), (528, 59685), (552, 57090), (660, 47748), (690, 45672), (692, 45540), (720, 43769), (759, 41520), (792, 39790), (828, 38060), (865, 36432), (880, 35811), (920, 34254), (990, 31832), (1012, 31140), (1035, 30448), (1038, 30360), (1104, 28545), (1265, 24912), (1320, 23874), (1380, 22836), (1384, 22770), (1518, 20760), (1557, 20240), (1584, 19895), (1656, 19030), (1730, 18216), (1840, 17127), (1903, 16560), (1980, 15916), (2024, 15570), (2070, 15224), (2076, 15180), (2277, 13840), (2530, 12456), (2595, 12144), (2640, 11937), (2760, 11418), (2768, 11385), (3036, 10380), (3114, 10120), (3312, 9515), (3460, 9108), (3795, 8304), (3806, 8280), (3960, 7958), (3979, 7920), (4048, 7785), (4140, 7612), (4152, 7590), (4554, 6920), (5060, 6228), (5190, 6072), (5520, 5709)]