138643120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:419

約数の個数: 160

約数和(自身を含む): 408830976

約数和(自身を除く): 270187856

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 80, 88, 110, 112, 140, 142, 154, 176, 220, 280, 284, 308, 317, 355, 385, 440, 497, 560, 568, 616, 634, 710, 770, 781, 880, 994, 1136, 1232, 1268, 1420, 1540, 1562, 1585, 1988, 2219, 2485, 2536, 2840, 3080, 3124, 3170, 3487, 3905, 3976, 4438, 4970, 5072, 5467, 5680, 6160, 6248, 6340, 6974, 7810, 7952, 8876, 9940, 10934, 11095, 12496, 12680, 13948, 15620, 17435, 17752, 19880, 21868, 22190, 22507, 24409, 25360, 27335, 27896, 31240, 34870, 35504, 39760, 43736, 44380, 45014, 48818, 54670, 55792, 62480, 69740, 87472, 88760, 90028, 97636, 109340, 112535, 122045, 139480, 157549, 177520, 180056, 195272, 218680, 225070, 244090, 247577, 278960, 315098, 360112, 390544, 437360, 450140, 488180, 495154, 630196, 787745, 900280, 976360, 990308, 1237885, 1260392, 1575490, 1733039, 1800560, 1952720, 1980616, 2475770, 2520784, 3150980, 3466078, 3961232, 4951540, 6301960, 6932156, 8665195, 9903080, 12603920, 13864312, 17330390, 19806160, 27728624, 34660780, 69321560, 138643120]

約数ペア:

[(1, 138643120), (2, 69321560), (4, 34660780), (5, 27728624), (7, 19806160), (8, 17330390), (10, 13864312), (11, 12603920), (14, 9903080), (16, 8665195), (20, 6932156), (22, 6301960), (28, 4951540), (35, 3961232), (40, 3466078), (44, 3150980), (55, 2520784), (56, 2475770), (70, 1980616), (71, 1952720), (77, 1800560), (80, 1733039), (88, 1575490), (110, 1260392), (112, 1237885), (140, 990308), (142, 976360), (154, 900280), (176, 787745), (220, 630196), (280, 495154), (284, 488180), (308, 450140), (317, 437360), (355, 390544), (385, 360112), (440, 315098), (497, 278960), (560, 247577), (568, 244090), (616, 225070), (634, 218680), (710, 195272), (770, 180056), (781, 177520), (880, 157549), (994, 139480), (1136, 122045), (1232, 112535), (1268, 109340), (1420, 97636), (1540, 90028), (1562, 88760), (1585, 87472), (1988, 69740), (2219, 62480), (2485, 55792), (2536, 54670), (2840, 48818), (3080, 45014), (3124, 44380), (3170, 43736), (3487, 39760), (3905, 35504), (3976, 34870), (4438, 31240), (4970, 27896), (5072, 27335), (5467, 25360), (5680, 24409), (6160, 22507), (6248, 22190), (6340, 21868), (6974, 19880), (7810, 17752), (7952, 17435), (8876, 15620), (9940, 13948), (10934, 12680), (11095, 12496)]