1377778920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{499}}^1$

素因数の和:712

約数の個数: 256

約数和(自身を含む): 5011200000

約数和(自身を除く): 3633421080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 173, 190, 210, 228, 266, 280, 285, 346, 380, 399, 420, 456, 499, 519, 532, 570, 665, 692, 760, 798, 840, 865, 998, 1038, 1064, 1140, 1211, 1330, 1384, 1497, 1596, 1730, 1995, 1996, 2076, 2280, 2422, 2495, 2595, 2660, 2994, 3192, 3287, 3460, 3493, 3633, 3990, 3992, 4152, 4844, 4990, 5190, 5320, 5988, 6055, 6574, 6920, 6986, 7266, 7485, 7980, 9481, 9688, 9861, 9980, 10380, 10479, 11976, 12110, 13148, 13972, 14532, 14970, 15960, 16435, 17465, 18165, 18962, 19722, 19960, 20760, 20958, 23009, 24220, 26296, 27944, 28443, 29064, 29940, 32870, 34930, 36330, 37924, 39444, 41916, 46018, 47405, 48440, 49305, 52395, 56886, 59880, 65740, 66367, 69027, 69860, 72660, 75848, 78888, 83832, 86327, 92036, 94810, 98610, 104790, 113772, 115045, 131480, 132734, 138054, 139720, 142215, 145320, 172654, 184072, 189620, 197220, 199101, 209580, 227544, 230090, 258981, 265468, 276108, 284430, 331835, 345135, 345308, 379240, 394440, 398202, 419160, 431635, 460180, 517962, 530936, 552216, 568860, 604289, 663670, 690270, 690616, 796404, 863270, 920360, 995505, 1035924, 1137720, 1208578, 1294905, 1327340, 1380540, 1592808, 1640213, 1726540, 1812867, 1991010, 2071848, 2417156, 2589810, 2654680, 2761080, 3021445, 3280426, 3453080, 3625734, 3982020, 4834312, 4920639, 5179620, 6042890, 6560852, 7251468, 7964040, 8201065, 9064335, 9841278, 10359240, 11481491, 12085780, 13121704, 14502936, 16402130, 18128670, 19682556, 22962982, 24171560, 24603195, 32804260, 34444473, 36257340, 39365112, 45925964, 49206390, 57407455, 65608520, 68888946, 72514680, 91851928, 98412780, 114814910, 137777892, 172222365, 196825560, 229629820, 275555784, 344444730, 459259640, 688889460, 1377778920]

約数ペア:

[(1, 1377778920), (2, 688889460), (3, 459259640), (4, 344444730), (5, 275555784), (6, 229629820), (7, 196825560), (8, 172222365), (10, 137777892), (12, 114814910), (14, 98412780), (15, 91851928), (19, 72514680), (20, 68888946), (21, 65608520), (24, 57407455), (28, 49206390), (30, 45925964), (35, 39365112), (38, 36257340), (40, 34444473), (42, 32804260), (56, 24603195), (57, 24171560), (60, 22962982), (70, 19682556), (76, 18128670), (84, 16402130), (95, 14502936), (105, 13121704), (114, 12085780), (120, 11481491), (133, 10359240), (140, 9841278), (152, 9064335), (168, 8201065), (173, 7964040), (190, 7251468), (210, 6560852), (228, 6042890), (266, 5179620), (280, 4920639), (285, 4834312), (346, 3982020), (380, 3625734), (399, 3453080), (420, 3280426), (456, 3021445), (499, 2761080), (519, 2654680), (532, 2589810), (570, 2417156), (665, 2071848), (692, 1991010), (760, 1812867), (798, 1726540), (840, 1640213), (865, 1592808), (998, 1380540), (1038, 1327340), (1064, 1294905), (1140, 1208578), (1211, 1137720), (1330, 1035924), (1384, 995505), (1497, 920360), (1596, 863270), (1730, 796404), (1995, 690616), (1996, 690270), (2076, 663670), (2280, 604289), (2422, 568860), (2495, 552216), (2595, 530936), (2660, 517962), (2994, 460180), (3192, 431635), (3287, 419160), (3460, 398202), (3493, 394440), (3633, 379240), (3990, 345308), (3992, 345135), (4152, 331835), (4844, 284430), (4990, 276108), (5190, 265468), (5320, 258981), (5988, 230090), (6055, 227544), (6574, 209580), (6920, 199101), (6986, 197220), (7266, 189620), (7485, 184072), (7980, 172654), (9481, 145320), (9688, 142215), (9861, 139720), (9980, 138054), (10380, 132734), (10479, 131480), (11976, 115045), (12110, 113772), (13148, 104790), (13972, 98610), (14532, 94810), (14970, 92036), (15960, 86327), (16435, 83832), (17465, 78888), (18165, 75848), (18962, 72660), (19722, 69860), (19960, 69027), (20760, 66367), (20958, 65740), (23009, 59880), (24220, 56886), (26296, 52395), (27944, 49305), (28443, 48440), (29064, 47405), (29940, 46018), (32870, 41916), (34930, 39444), (36330, 37924)]