989816040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{691}}^1$

素因数の和:904

約数の個数: 192

約数和(自身を含む): 3381056640

約数和(自身を除く): 2391240600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 173, 180, 184, 207, 230, 276, 345, 346, 360, 414, 460, 519, 552, 690, 691, 692, 828, 865, 920, 1035, 1038, 1380, 1382, 1384, 1557, 1656, 1730, 2070, 2073, 2076, 2595, 2760, 2764, 3114, 3455, 3460, 3979, 4140, 4146, 4152, 5190, 5528, 6219, 6228, 6910, 6920, 7785, 7958, 8280, 8292, 10365, 10380, 11937, 12438, 12456, 13820, 15570, 15893, 15916, 16584, 19895, 20730, 20760, 23874, 24876, 27640, 31095, 31140, 31786, 31832, 35811, 39790, 41460, 47679, 47748, 49752, 59685, 62190, 62280, 63572, 71622, 79465, 79580, 82920, 95358, 95496, 119370, 119543, 124380, 127144, 143037, 143244, 158930, 159160, 179055, 190716, 238395, 238740, 239086, 248760, 286074, 286488, 317860, 358110, 358629, 381432, 476790, 477480, 478172, 572148, 597715, 635720, 715185, 716220, 717258, 953580, 956344, 1075887, 1144296, 1195430, 1430370, 1432440, 1434516, 1793145, 1907160, 2151774, 2390860, 2749489, 2860740, 2869032, 3586290, 4303548, 4781720, 5379435, 5498978, 5721480, 7172580, 8248467, 8607096, 10758870, 10997956, 13747445, 14345160, 16496934, 21517740, 21995912, 24745401, 27494890, 32993868, 41242335, 43035480, 49490802, 54989780, 65987736, 82484670, 98981604, 109979560, 123727005, 164969340, 197963208, 247454010, 329938680, 494908020, 989816040]

約数ペア:

[(1, 989816040), (2, 494908020), (3, 329938680), (4, 247454010), (5, 197963208), (6, 164969340), (8, 123727005), (9, 109979560), (10, 98981604), (12, 82484670), (15, 65987736), (18, 54989780), (20, 49490802), (23, 43035480), (24, 41242335), (30, 32993868), (36, 27494890), (40, 24745401), (45, 21995912), (46, 21517740), (60, 16496934), (69, 14345160), (72, 13747445), (90, 10997956), (92, 10758870), (115, 8607096), (120, 8248467), (138, 7172580), (173, 5721480), (180, 5498978), (184, 5379435), (207, 4781720), (230, 4303548), (276, 3586290), (345, 2869032), (346, 2860740), (360, 2749489), (414, 2390860), (460, 2151774), (519, 1907160), (552, 1793145), (690, 1434516), (691, 1432440), (692, 1430370), (828, 1195430), (865, 1144296), (920, 1075887), (1035, 956344), (1038, 953580), (1380, 717258), (1382, 716220), (1384, 715185), (1557, 635720), (1656, 597715), (1730, 572148), (2070, 478172), (2073, 477480), (2076, 476790), (2595, 381432), (2760, 358629), (2764, 358110), (3114, 317860), (3455, 286488), (3460, 286074), (3979, 248760), (4140, 239086), (4146, 238740), (4152, 238395), (5190, 190716), (5528, 179055), (6219, 159160), (6228, 158930), (6910, 143244), (6920, 143037), (7785, 127144), (7958, 124380), (8280, 119543), (8292, 119370), (10365, 95496), (10380, 95358), (11937, 82920), (12438, 79580), (12456, 79465), (13820, 71622), (15570, 63572), (15893, 62280), (15916, 62190), (16584, 59685), (19895, 49752), (20730, 47748), (20760, 47679), (23874, 41460), (24876, 39790), (27640, 35811), (31095, 31832), (31140, 31786)]