64723120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 240

約数和(自身を含む): 203558400

約数和(自身を除く): 138835280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 35, 38, 40, 44, 49, 55, 56, 70, 76, 77, 79, 80, 88, 95, 98, 110, 112, 133, 140, 152, 154, 158, 176, 190, 196, 209, 220, 245, 266, 280, 304, 308, 316, 380, 385, 392, 395, 418, 440, 490, 532, 539, 553, 560, 616, 632, 665, 760, 770, 784, 790, 836, 869, 880, 931, 980, 1045, 1064, 1078, 1106, 1232, 1264, 1330, 1463, 1501, 1520, 1540, 1580, 1672, 1738, 1862, 1960, 2090, 2128, 2156, 2212, 2660, 2695, 2765, 2926, 3002, 3080, 3160, 3344, 3476, 3724, 3871, 3920, 4180, 4312, 4345, 4424, 4655, 5320, 5390, 5530, 5852, 6004, 6083, 6160, 6320, 6952, 7315, 7448, 7505, 7742, 8360, 8624, 8690, 8848, 9310, 10241, 10507, 10640, 10780, 11060, 11704, 12008, 12166, 13904, 14630, 14896, 15010, 15484, 16511, 16720, 17380, 18620, 19355, 20482, 21014, 21560, 22120, 23408, 24016, 24332, 29260, 30020, 30415, 30968, 33022, 34760, 37240, 38710, 40964, 42028, 42581, 43120, 44240, 48664, 51205, 52535, 58520, 60040, 60830, 61936, 66044, 69520, 73549, 74480, 77420, 81928, 82555, 84056, 85162, 97328, 102410, 105070, 115577, 117040, 120080, 121660, 132088, 147098, 154840, 163856, 165110, 168112, 170324, 204820, 210140, 212905, 231154, 243320, 264176, 294196, 309680, 330220, 340648, 367745, 409640, 420280, 425810, 462308, 486640, 577885, 588392, 660440, 681296, 735490, 809039, 819280, 840560, 851620, 924616, 1155770, 1176784, 1320880, 1470980, 1618078, 1703240, 1849232, 2311540, 2941960, 3236156, 3406480, 4045195, 4623080, 5883920, 6472312, 8090390, 9246160, 12944624, 16180780, 32361560, 64723120]

約数ペア:

[(1, 64723120), (2, 32361560), (4, 16180780), (5, 12944624), (7, 9246160), (8, 8090390), (10, 6472312), (11, 5883920), (14, 4623080), (16, 4045195), (19, 3406480), (20, 3236156), (22, 2941960), (28, 2311540), (35, 1849232), (38, 1703240), (40, 1618078), (44, 1470980), (49, 1320880), (55, 1176784), (56, 1155770), (70, 924616), (76, 851620), (77, 840560), (79, 819280), (80, 809039), (88, 735490), (95, 681296), (98, 660440), (110, 588392), (112, 577885), (133, 486640), (140, 462308), (152, 425810), (154, 420280), (158, 409640), (176, 367745), (190, 340648), (196, 330220), (209, 309680), (220, 294196), (245, 264176), (266, 243320), (280, 231154), (304, 212905), (308, 210140), (316, 204820), (380, 170324), (385, 168112), (392, 165110), (395, 163856), (418, 154840), (440, 147098), (490, 132088), (532, 121660), (539, 120080), (553, 117040), (560, 115577), (616, 105070), (632, 102410), (665, 97328), (760, 85162), (770, 84056), (784, 82555), (790, 81928), (836, 77420), (869, 74480), (880, 73549), (931, 69520), (980, 66044), (1045, 61936), (1064, 60830), (1078, 60040), (1106, 58520), (1232, 52535), (1264, 51205), (1330, 48664), (1463, 44240), (1501, 43120), (1520, 42581), (1540, 42028), (1580, 40964), (1672, 38710), (1738, 37240), (1862, 34760), (1960, 33022), (2090, 30968), (2128, 30415), (2156, 30020), (2212, 29260), (2660, 24332), (2695, 24016), (2765, 23408), (2926, 22120), (3002, 21560), (3080, 21014), (3160, 20482), (3344, 19355), (3476, 18620), (3724, 17380), (3871, 16720), (3920, 16511), (4180, 15484), (4312, 15010), (4345, 14896), (4424, 14630), (4655, 13904), (5320, 12166), (5390, 12008), (5530, 11704), (5852, 11060), (6004, 10780), (6083, 10640), (6160, 10507), (6320, 10241), (6952, 9310), (7315, 8848), (7448, 8690), (7505, 8624), (7742, 8360)]