19718160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1$

素因数の和:142

約数の個数: 240

約数和(自身を含む): 77578368

約数和(自身を除く): 57860208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 97, 105, 110, 112, 120, 121, 132, 140, 154, 165, 168, 176, 194, 210, 220, 231, 240, 242, 264, 280, 291, 308, 330, 336, 363, 385, 388, 420, 440, 462, 484, 485, 528, 560, 582, 605, 616, 660, 679, 726, 770, 776, 840, 847, 880, 924, 968, 970, 1067, 1155, 1164, 1210, 1232, 1320, 1358, 1452, 1455, 1540, 1552, 1680, 1694, 1815, 1848, 1936, 1940, 2037, 2134, 2310, 2328, 2420, 2541, 2640, 2716, 2904, 2910, 3080, 3201, 3388, 3395, 3630, 3696, 3880, 4074, 4235, 4268, 4620, 4656, 4840, 5082, 5335, 5432, 5808, 5820, 6160, 6402, 6776, 6790, 7260, 7469, 7760, 8148, 8470, 8536, 9240, 9680, 10164, 10185, 10670, 10864, 11640, 11737, 12705, 12804, 13552, 13580, 14520, 14938, 16005, 16296, 16940, 17072, 18480, 20328, 20370, 21340, 22407, 23280, 23474, 25410, 25608, 27160, 29040, 29876, 32010, 32592, 33880, 35211, 37345, 40656, 40740, 42680, 44814, 46948, 50820, 51216, 54320, 58685, 59752, 64020, 67760, 70422, 74690, 81480, 82159, 85360, 89628, 93896, 101640, 112035, 117370, 119504, 128040, 140844, 149380, 162960, 164318, 176055, 179256, 187792, 203280, 224070, 234740, 246477, 256080, 281688, 298760, 328636, 352110, 358512, 410795, 448140, 469480, 492954, 563376, 597520, 657272, 704220, 821590, 896280, 938960, 985908, 1232385, 1314544, 1408440, 1643180, 1792560, 1971816, 2464770, 2816880, 3286360, 3943632, 4929540, 6572720, 9859080, 19718160]

約数ペア:

[(1, 19718160), (2, 9859080), (3, 6572720), (4, 4929540), (5, 3943632), (6, 3286360), (7, 2816880), (8, 2464770), (10, 1971816), (11, 1792560), (12, 1643180), (14, 1408440), (15, 1314544), (16, 1232385), (20, 985908), (21, 938960), (22, 896280), (24, 821590), (28, 704220), (30, 657272), (33, 597520), (35, 563376), (40, 492954), (42, 469480), (44, 448140), (48, 410795), (55, 358512), (56, 352110), (60, 328636), (66, 298760), (70, 281688), (77, 256080), (80, 246477), (84, 234740), (88, 224070), (97, 203280), (105, 187792), (110, 179256), (112, 176055), (120, 164318), (121, 162960), (132, 149380), (140, 140844), (154, 128040), (165, 119504), (168, 117370), (176, 112035), (194, 101640), (210, 93896), (220, 89628), (231, 85360), (240, 82159), (242, 81480), (264, 74690), (280, 70422), (291, 67760), (308, 64020), (330, 59752), (336, 58685), (363, 54320), (385, 51216), (388, 50820), (420, 46948), (440, 44814), (462, 42680), (484, 40740), (485, 40656), (528, 37345), (560, 35211), (582, 33880), (605, 32592), (616, 32010), (660, 29876), (679, 29040), (726, 27160), (770, 25608), (776, 25410), (840, 23474), (847, 23280), (880, 22407), (924, 21340), (968, 20370), (970, 20328), (1067, 18480), (1155, 17072), (1164, 16940), (1210, 16296), (1232, 16005), (1320, 14938), (1358, 14520), (1452, 13580), (1455, 13552), (1540, 12804), (1552, 12705), (1680, 11737), (1694, 11640), (1815, 10864), (1848, 10670), (1936, 10185), (1940, 10164), (2037, 9680), (2134, 9240), (2310, 8536), (2328, 8470), (2420, 8148), (2541, 7760), (2640, 7469), (2716, 7260), (2904, 6790), (2910, 6776), (3080, 6402), (3201, 6160), (3388, 5820), (3395, 5808), (3630, 5432), (3696, 5335), (3880, 5082), (4074, 4840), (4235, 4656), (4268, 4620)]