20054160

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:222

約数の個数: 240

約数和(自身を含む): 80780544

約数和(自身を除く): 60726384

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 105, 112, 115, 120, 126, 138, 140, 144, 161, 168, 173, 180, 184, 207, 210, 230, 240, 252, 276, 280, 315, 322, 336, 345, 346, 360, 368, 414, 420, 460, 483, 504, 519, 552, 560, 630, 644, 690, 692, 720, 805, 828, 840, 865, 920, 966, 1008, 1035, 1038, 1104, 1211, 1260, 1288, 1380, 1384, 1449, 1557, 1610, 1656, 1680, 1730, 1840, 1932, 2070, 2076, 2415, 2422, 2520, 2576, 2595, 2760, 2768, 2898, 3114, 3220, 3312, 3460, 3633, 3864, 3979, 4140, 4152, 4830, 4844, 5040, 5190, 5520, 5796, 6055, 6228, 6440, 6920, 7245, 7266, 7728, 7785, 7958, 8280, 8304, 9660, 9688, 10380, 10899, 11592, 11937, 12110, 12456, 12880, 13840, 14490, 14532, 15570, 15916, 16560, 18165, 19320, 19376, 19895, 20760, 21798, 23184, 23874, 24220, 24912, 27853, 28980, 29064, 31140, 31832, 35811, 36330, 38640, 39790, 41520, 43596, 47748, 48440, 54495, 55706, 57960, 58128, 59685, 62280, 63664, 71622, 72660, 79580, 83559, 87192, 95496, 96880, 108990, 111412, 115920, 119370, 124560, 139265, 143244, 145320, 159160, 167118, 174384, 179055, 190992, 217980, 222824, 238740, 250677, 278530, 286488, 290640, 318320, 334236, 358110, 417795, 435960, 445648, 477480, 501354, 557060, 572976, 668472, 716220, 835590, 871920, 954960, 1002708, 1114120, 1253385, 1336944, 1432440, 1671180, 2005416, 2228240, 2506770, 2864880, 3342360, 4010832, 5013540, 6684720, 10027080, 20054160]

約数ペア:

[(1, 20054160), (2, 10027080), (3, 6684720), (4, 5013540), (5, 4010832), (6, 3342360), (7, 2864880), (8, 2506770), (9, 2228240), (10, 2005416), (12, 1671180), (14, 1432440), (15, 1336944), (16, 1253385), (18, 1114120), (20, 1002708), (21, 954960), (23, 871920), (24, 835590), (28, 716220), (30, 668472), (35, 572976), (36, 557060), (40, 501354), (42, 477480), (45, 445648), (46, 435960), (48, 417795), (56, 358110), (60, 334236), (63, 318320), (69, 290640), (70, 286488), (72, 278530), (80, 250677), (84, 238740), (90, 222824), (92, 217980), (105, 190992), (112, 179055), (115, 174384), (120, 167118), (126, 159160), (138, 145320), (140, 143244), (144, 139265), (161, 124560), (168, 119370), (173, 115920), (180, 111412), (184, 108990), (207, 96880), (210, 95496), (230, 87192), (240, 83559), (252, 79580), (276, 72660), (280, 71622), (315, 63664), (322, 62280), (336, 59685), (345, 58128), (346, 57960), (360, 55706), (368, 54495), (414, 48440), (420, 47748), (460, 43596), (483, 41520), (504, 39790), (519, 38640), (552, 36330), (560, 35811), (630, 31832), (644, 31140), (690, 29064), (692, 28980), (720, 27853), (805, 24912), (828, 24220), (840, 23874), (865, 23184), (920, 21798), (966, 20760), (1008, 19895), (1035, 19376), (1038, 19320), (1104, 18165), (1211, 16560), (1260, 15916), (1288, 15570), (1380, 14532), (1384, 14490), (1449, 13840), (1557, 12880), (1610, 12456), (1656, 12110), (1680, 11937), (1730, 11592), (1840, 10899), (1932, 10380), (2070, 9688), (2076, 9660), (2415, 8304), (2422, 8280), (2520, 7958), (2576, 7785), (2595, 7728), (2760, 7266), (2768, 7245), (2898, 6920), (3114, 6440), (3220, 6228), (3312, 6055), (3460, 5796), (3633, 5520), (3864, 5190), (3979, 5040), (4140, 4844), (4152, 4830)]