123434640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1289}}^1$

素因数の和:1334

約数の個数: 240

約数和(自身を含む): 499075200

約数和(自身を除く): 375640560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1289, 1330, 1368, 1520, 1596, 1680, 1710, 1995, 2128, 2280, 2394, 2520, 2578, 2660, 2736, 3192, 3420, 3867, 3990, 4560, 4788, 5040, 5156, 5320, 5985, 6384, 6445, 6840, 7734, 7980, 9023, 9576, 10312, 10640, 11601, 11970, 12890, 13680, 15468, 15960, 18046, 19152, 19335, 20624, 23202, 23940, 24491, 25780, 27069, 30936, 31920, 36092, 38670, 45115, 46404, 47880, 48982, 51560, 54138, 58005, 61872, 72184, 73473, 77340, 81207, 90230, 92808, 95760, 97964, 103120, 108276, 116010, 122455, 135345, 144368, 146946, 154680, 162414, 171437, 180460, 185616, 195928, 216552, 220419, 232020, 244910, 270690, 293892, 309360, 324828, 342874, 360920, 367365, 391856, 406035, 433104, 440838, 464040, 489820, 514311, 541380, 587784, 649656, 685748, 721840, 734730, 812070, 857185, 881676, 928080, 979640, 1028622, 1082760, 1102095, 1175568, 1299312, 1371496, 1469460, 1542933, 1624140, 1714370, 1763352, 1959280, 2057244, 2165520, 2204190, 2571555, 2742992, 2938920, 3085866, 3248280, 3428740, 3526704, 4114488, 4408380, 5143110, 5877840, 6171732, 6496560, 6857480, 7714665, 8228976, 8816760, 10286220, 12343464, 13714960, 15429330, 17633520, 20572440, 24686928, 30858660, 41144880, 61717320, 123434640]

約数ペア:

[(1, 123434640), (2, 61717320), (3, 41144880), (4, 30858660), (5, 24686928), (6, 20572440), (7, 17633520), (8, 15429330), (9, 13714960), (10, 12343464), (12, 10286220), (14, 8816760), (15, 8228976), (16, 7714665), (18, 6857480), (19, 6496560), (20, 6171732), (21, 5877840), (24, 5143110), (28, 4408380), (30, 4114488), (35, 3526704), (36, 3428740), (38, 3248280), (40, 3085866), (42, 2938920), (45, 2742992), (48, 2571555), (56, 2204190), (57, 2165520), (60, 2057244), (63, 1959280), (70, 1763352), (72, 1714370), (76, 1624140), (80, 1542933), (84, 1469460), (90, 1371496), (95, 1299312), (105, 1175568), (112, 1102095), (114, 1082760), (120, 1028622), (126, 979640), (133, 928080), (140, 881676), (144, 857185), (152, 812070), (168, 734730), (171, 721840), (180, 685748), (190, 649656), (210, 587784), (228, 541380), (240, 514311), (252, 489820), (266, 464040), (280, 440838), (285, 433104), (304, 406035), (315, 391856), (336, 367365), (342, 360920), (360, 342874), (380, 324828), (399, 309360), (420, 293892), (456, 270690), (504, 244910), (532, 232020), (560, 220419), (570, 216552), (630, 195928), (665, 185616), (684, 180460), (720, 171437), (760, 162414), (798, 154680), (840, 146946), (855, 144368), (912, 135345), (1008, 122455), (1064, 116010), (1140, 108276), (1197, 103120), (1260, 97964), (1289, 95760), (1330, 92808), (1368, 90230), (1520, 81207), (1596, 77340), (1680, 73473), (1710, 72184), (1995, 61872), (2128, 58005), (2280, 54138), (2394, 51560), (2520, 48982), (2578, 47880), (2660, 46404), (2736, 45115), (3192, 38670), (3420, 36092), (3867, 31920), (3990, 30936), (4560, 27069), (4788, 25780), (5040, 24491), (5156, 23940), (5320, 23202), (5985, 20624), (6384, 19335), (6445, 19152), (6840, 18046), (7734, 15960), (7980, 15468), (9023, 13680), (9576, 12890), (10312, 11970), (10640, 11601)]