55783280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 160

約数和(自身を含む): 159418368

約数和(自身を除く): 103635088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 61, 70, 71, 80, 92, 112, 115, 122, 140, 142, 161, 184, 230, 244, 280, 284, 305, 322, 355, 368, 427, 460, 488, 497, 560, 568, 610, 644, 710, 805, 854, 920, 976, 994, 1136, 1220, 1288, 1403, 1420, 1610, 1633, 1708, 1840, 1988, 2135, 2440, 2485, 2576, 2806, 2840, 3220, 3266, 3416, 3976, 4270, 4331, 4880, 4970, 5612, 5680, 6440, 6532, 6832, 7015, 7952, 8165, 8540, 8662, 9821, 9940, 11224, 11431, 12880, 13064, 14030, 16330, 17080, 17324, 19642, 19880, 21655, 22448, 22862, 26128, 28060, 30317, 32660, 34160, 34648, 39284, 39760, 43310, 45724, 49105, 56120, 57155, 60634, 65320, 69296, 78568, 86620, 91448, 98210, 99613, 112240, 114310, 121268, 130640, 151585, 157136, 173240, 182896, 196420, 199226, 228620, 242536, 303170, 346480, 392840, 398452, 457240, 485072, 498065, 606340, 697291, 785680, 796904, 914480, 996130, 1212680, 1394582, 1593808, 1992260, 2425360, 2789164, 3486455, 3984520, 5578328, 6972910, 7969040, 11156656, 13945820, 27891640, 55783280]

約数ペア:

[(1, 55783280), (2, 27891640), (4, 13945820), (5, 11156656), (7, 7969040), (8, 6972910), (10, 5578328), (14, 3984520), (16, 3486455), (20, 2789164), (23, 2425360), (28, 1992260), (35, 1593808), (40, 1394582), (46, 1212680), (56, 996130), (61, 914480), (70, 796904), (71, 785680), (80, 697291), (92, 606340), (112, 498065), (115, 485072), (122, 457240), (140, 398452), (142, 392840), (161, 346480), (184, 303170), (230, 242536), (244, 228620), (280, 199226), (284, 196420), (305, 182896), (322, 173240), (355, 157136), (368, 151585), (427, 130640), (460, 121268), (488, 114310), (497, 112240), (560, 99613), (568, 98210), (610, 91448), (644, 86620), (710, 78568), (805, 69296), (854, 65320), (920, 60634), (976, 57155), (994, 56120), (1136, 49105), (1220, 45724), (1288, 43310), (1403, 39760), (1420, 39284), (1610, 34648), (1633, 34160), (1708, 32660), (1840, 30317), (1988, 28060), (2135, 26128), (2440, 22862), (2485, 22448), (2576, 21655), (2806, 19880), (2840, 19642), (3220, 17324), (3266, 17080), (3416, 16330), (3976, 14030), (4270, 13064), (4331, 12880), (4880, 11431), (4970, 11224), (5612, 9940), (5680, 9821), (6440, 8662), (6532, 8540), (6832, 8165), (7015, 7952)]