18735687080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:612

約数の個数: 256

約数和(自身を含む): 50220518400

約数和(自身を除く): 31484831320

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 47, 55, 68, 85, 88, 94, 110, 136, 137, 170, 187, 188, 220, 235, 274, 340, 374, 376, 389, 440, 470, 517, 548, 680, 685, 748, 778, 799, 935, 940, 1034, 1096, 1370, 1496, 1507, 1556, 1598, 1870, 1880, 1945, 2068, 2329, 2585, 2740, 3014, 3112, 3196, 3740, 3890, 3995, 4136, 4279, 4658, 5170, 5480, 6028, 6392, 6439, 6613, 7480, 7535, 7780, 7990, 8558, 8789, 9316, 10340, 11645, 12056, 12878, 13226, 15070, 15560, 15980, 17116, 17578, 18283, 18632, 20680, 21395, 23290, 25619, 25756, 26452, 30140, 31960, 32195, 33065, 34232, 35156, 36566, 42790, 43945, 46580, 51238, 51512, 52904, 53293, 60280, 64390, 66130, 70312, 70829, 72743, 73132, 85580, 87890, 91415, 93160, 102476, 106586, 109463, 128095, 128780, 132260, 141658, 145486, 146264, 171160, 175780, 182830, 201113, 204952, 213172, 218926, 256190, 257560, 264520, 266465, 283316, 290972, 310811, 351560, 354145, 363715, 365660, 402226, 426344, 437852, 512380, 532930, 547315, 566632, 581944, 586223, 621622, 708290, 727430, 731320, 804452, 875704, 905981, 1005565, 1024760, 1065860, 1094630, 1172446, 1204093, 1243244, 1416580, 1454860, 1554055, 1608904, 1811962, 2011130, 2131720, 2189260, 2344892, 2408186, 2486488, 2504771, 2833160, 2909720, 2931115, 3108110, 3418921, 3623924, 4022260, 4378520, 4529905, 4689784, 4816372, 5009542, 5862230, 6020465, 6216220, 6837842, 7247848, 8044520, 9059810, 9632744, 9965791, 10019084, 11724460, 12040930, 12432440, 12523855, 13675684, 17094605, 18119620, 19931582, 20038168, 23448920, 24081860, 25047710, 27351368, 27552481, 34189210, 36239240, 39863164, 42581107, 48163720, 49828955, 50095420, 55104962, 68378420, 79726328, 85162214, 99657910, 100190840, 110209924, 136756840, 137762405, 170324428, 199315820, 212905535, 220419848, 275524810, 340648856, 398631640, 425811070, 468392177, 551049620, 851622140, 936784354, 1102099240, 1703244280, 1873568708, 2341960885, 3747137416, 4683921770, 9367843540, 18735687080]

約数ペア:

[(1, 18735687080), (2, 9367843540), (4, 4683921770), (5, 3747137416), (8, 2341960885), (10, 1873568708), (11, 1703244280), (17, 1102099240), (20, 936784354), (22, 851622140), (34, 551049620), (40, 468392177), (44, 425811070), (47, 398631640), (55, 340648856), (68, 275524810), (85, 220419848), (88, 212905535), (94, 199315820), (110, 170324428), (136, 137762405), (137, 136756840), (170, 110209924), (187, 100190840), (188, 99657910), (220, 85162214), (235, 79726328), (274, 68378420), (340, 55104962), (374, 50095420), (376, 49828955), (389, 48163720), (440, 42581107), (470, 39863164), (517, 36239240), (548, 34189210), (680, 27552481), (685, 27351368), (748, 25047710), (778, 24081860), (799, 23448920), (935, 20038168), (940, 19931582), (1034, 18119620), (1096, 17094605), (1370, 13675684), (1496, 12523855), (1507, 12432440), (1556, 12040930), (1598, 11724460), (1870, 10019084), (1880, 9965791), (1945, 9632744), (2068, 9059810), (2329, 8044520), (2585, 7247848), (2740, 6837842), (3014, 6216220), (3112, 6020465), (3196, 5862230), (3740, 5009542), (3890, 4816372), (3995, 4689784), (4136, 4529905), (4279, 4378520), (4658, 4022260), (5170, 3623924), (5480, 3418921), (6028, 3108110), (6392, 2931115), (6439, 2909720), (6613, 2833160), (7480, 2504771), (7535, 2486488), (7780, 2408186), (7990, 2344892), (8558, 2189260), (8789, 2131720), (9316, 2011130), (10340, 1811962), (11645, 1608904), (12056, 1554055), (12878, 1454860), (13226, 1416580), (15070, 1243244), (15560, 1204093), (15980, 1172446), (17116, 1094630), (17578, 1065860), (18283, 1024760), (18632, 1005565), (20680, 905981), (21395, 875704), (23290, 804452), (25619, 731320), (25756, 727430), (26452, 708290), (30140, 621622), (31960, 586223), (32195, 581944), (33065, 566632), (34232, 547315), (35156, 532930), (36566, 512380), (42790, 437852), (43945, 426344), (46580, 402226), (51238, 365660), (51512, 363715), (52904, 354145), (53293, 351560), (60280, 310811), (64390, 290972), (66130, 283316), (70312, 266465), (70829, 264520), (72743, 257560), (73132, 256190), (85580, 218926), (87890, 213172), (91415, 204952), (93160, 201113), (102476, 182830), (106586, 175780), (109463, 171160), (128095, 146264), (128780, 145486), (132260, 141658)]