31500480

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:207

約数の個数: 224

約数和(自身を含む): 115580160

約数和(自身を除く): 84079680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 32, 33, 38, 40, 44, 48, 55, 57, 60, 64, 66, 76, 80, 88, 95, 96, 110, 114, 120, 132, 152, 157, 160, 165, 176, 190, 192, 209, 220, 228, 240, 264, 285, 304, 314, 320, 330, 352, 380, 418, 440, 456, 471, 480, 528, 570, 608, 627, 628, 660, 704, 760, 785, 836, 880, 912, 942, 960, 1045, 1056, 1140, 1216, 1254, 1256, 1320, 1520, 1570, 1672, 1727, 1760, 1824, 1884, 2090, 2112, 2280, 2355, 2508, 2512, 2640, 2983, 3040, 3135, 3140, 3344, 3454, 3520, 3648, 3768, 4180, 4560, 4710, 5016, 5024, 5181, 5280, 5966, 6080, 6270, 6280, 6688, 6908, 7536, 8360, 8635, 8949, 9120, 9420, 10032, 10048, 10362, 10560, 11932, 12540, 12560, 13376, 13816, 14915, 15072, 16720, 17270, 17898, 18240, 18840, 20064, 20724, 23864, 25080, 25120, 25905, 27632, 29830, 30144, 32813, 33440, 34540, 35796, 37680, 40128, 41448, 44745, 47728, 50160, 50240, 51810, 55264, 59660, 65626, 66880, 69080, 71592, 75360, 82896, 89490, 95456, 98439, 100320, 103620, 110528, 119320, 131252, 138160, 143184, 150720, 164065, 165792, 178980, 190912, 196878, 200640, 207240, 238640, 262504, 276320, 286368, 328130, 331584, 357960, 393756, 414480, 477280, 492195, 525008, 552640, 572736, 656260, 715920, 787512, 828960, 954560, 984390, 1050016, 1312520, 1431840, 1575024, 1657920, 1968780, 2100032, 2625040, 2863680, 3150048, 3937560, 5250080, 6300096, 7875120, 10500160, 15750240, 31500480]

約数ペア:

[(1, 31500480), (2, 15750240), (3, 10500160), (4, 7875120), (5, 6300096), (6, 5250080), (8, 3937560), (10, 3150048), (11, 2863680), (12, 2625040), (15, 2100032), (16, 1968780), (19, 1657920), (20, 1575024), (22, 1431840), (24, 1312520), (30, 1050016), (32, 984390), (33, 954560), (38, 828960), (40, 787512), (44, 715920), (48, 656260), (55, 572736), (57, 552640), (60, 525008), (64, 492195), (66, 477280), (76, 414480), (80, 393756), (88, 357960), (95, 331584), (96, 328130), (110, 286368), (114, 276320), (120, 262504), (132, 238640), (152, 207240), (157, 200640), (160, 196878), (165, 190912), (176, 178980), (190, 165792), (192, 164065), (209, 150720), (220, 143184), (228, 138160), (240, 131252), (264, 119320), (285, 110528), (304, 103620), (314, 100320), (320, 98439), (330, 95456), (352, 89490), (380, 82896), (418, 75360), (440, 71592), (456, 69080), (471, 66880), (480, 65626), (528, 59660), (570, 55264), (608, 51810), (627, 50240), (628, 50160), (660, 47728), (704, 44745), (760, 41448), (785, 40128), (836, 37680), (880, 35796), (912, 34540), (942, 33440), (960, 32813), (1045, 30144), (1056, 29830), (1140, 27632), (1216, 25905), (1254, 25120), (1256, 25080), (1320, 23864), (1520, 20724), (1570, 20064), (1672, 18840), (1727, 18240), (1760, 17898), (1824, 17270), (1884, 16720), (2090, 15072), (2112, 14915), (2280, 13816), (2355, 13376), (2508, 12560), (2512, 12540), (2640, 11932), (2983, 10560), (3040, 10362), (3135, 10048), (3140, 10032), (3344, 9420), (3454, 9120), (3520, 8949), (3648, 8635), (3768, 8360), (4180, 7536), (4560, 6908), (4710, 6688), (5016, 6280), (5024, 6270), (5181, 6080), (5280, 5966)]