181888140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{991}}^1$

素因数の和:1052

約数の個数: 192

約数和(自身を含む): 639959040

約数和(自身を除く): 458070900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 23, 28, 30, 35, 38, 42, 46, 57, 60, 69, 70, 76, 84, 92, 95, 105, 114, 115, 133, 138, 140, 161, 190, 210, 228, 230, 266, 276, 285, 322, 345, 380, 399, 420, 437, 460, 483, 532, 570, 644, 665, 690, 798, 805, 874, 966, 991, 1140, 1311, 1330, 1380, 1596, 1610, 1748, 1932, 1982, 1995, 2185, 2415, 2622, 2660, 2973, 3059, 3220, 3964, 3990, 4370, 4830, 4955, 5244, 5946, 6118, 6555, 6937, 7980, 8740, 9177, 9660, 9910, 11892, 12236, 13110, 13874, 14865, 15295, 18354, 18829, 19820, 20811, 22793, 26220, 27748, 29730, 30590, 34685, 36708, 37658, 41622, 45586, 45885, 56487, 59460, 61180, 68379, 69370, 75316, 83244, 91172, 91770, 94145, 104055, 112974, 113965, 131803, 136758, 138740, 159551, 183540, 188290, 208110, 225948, 227930, 263606, 273516, 282435, 319102, 341895, 376580, 395409, 416220, 433067, 455860, 478653, 527212, 564870, 638204, 659015, 683790, 790818, 797755, 866134, 957306, 1129740, 1299201, 1318030, 1367580, 1581636, 1595510, 1732268, 1914612, 1977045, 2165335, 2393265, 2598402, 2636060, 3031469, 3191020, 3954090, 4330670, 4786530, 5196804, 6062938, 6496005, 7908180, 8661340, 9094407, 9573060, 12125876, 12992010, 15157345, 18188814, 25984020, 30314690, 36377628, 45472035, 60629380, 90944070, 181888140]

約数ペア:

[(1, 181888140), (2, 90944070), (3, 60629380), (4, 45472035), (5, 36377628), (6, 30314690), (7, 25984020), (10, 18188814), (12, 15157345), (14, 12992010), (15, 12125876), (19, 9573060), (20, 9094407), (21, 8661340), (23, 7908180), (28, 6496005), (30, 6062938), (35, 5196804), (38, 4786530), (42, 4330670), (46, 3954090), (57, 3191020), (60, 3031469), (69, 2636060), (70, 2598402), (76, 2393265), (84, 2165335), (92, 1977045), (95, 1914612), (105, 1732268), (114, 1595510), (115, 1581636), (133, 1367580), (138, 1318030), (140, 1299201), (161, 1129740), (190, 957306), (210, 866134), (228, 797755), (230, 790818), (266, 683790), (276, 659015), (285, 638204), (322, 564870), (345, 527212), (380, 478653), (399, 455860), (420, 433067), (437, 416220), (460, 395409), (483, 376580), (532, 341895), (570, 319102), (644, 282435), (665, 273516), (690, 263606), (798, 227930), (805, 225948), (874, 208110), (966, 188290), (991, 183540), (1140, 159551), (1311, 138740), (1330, 136758), (1380, 131803), (1596, 113965), (1610, 112974), (1748, 104055), (1932, 94145), (1982, 91770), (1995, 91172), (2185, 83244), (2415, 75316), (2622, 69370), (2660, 68379), (2973, 61180), (3059, 59460), (3220, 56487), (3964, 45885), (3990, 45586), (4370, 41622), (4830, 37658), (4955, 36708), (5244, 34685), (5946, 30590), (6118, 29730), (6555, 27748), (6937, 26220), (7980, 22793), (8740, 20811), (9177, 19820), (9660, 18829), (9910, 18354), (11892, 15295), (12236, 14865), (13110, 13874)]