20510715720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{2459}}^1$

素因数の和:2644

約数の個数: 256

約数和(自身を含む): 68864256000

約数和(自身を除く): 48353540280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 71, 88, 89, 110, 120, 132, 142, 165, 178, 213, 220, 264, 267, 284, 330, 355, 356, 426, 440, 445, 534, 568, 660, 710, 712, 781, 852, 890, 979, 1065, 1068, 1320, 1335, 1420, 1562, 1704, 1780, 1958, 2130, 2136, 2343, 2459, 2670, 2840, 2937, 3124, 3560, 3905, 3916, 4260, 4686, 4895, 4918, 5340, 5874, 6248, 6319, 7377, 7810, 7832, 8520, 9372, 9790, 9836, 10680, 11715, 11748, 12295, 12638, 14685, 14754, 15620, 18744, 18957, 19580, 19672, 23430, 23496, 24590, 25276, 27049, 29370, 29508, 31240, 31595, 36885, 37914, 39160, 46860, 49180, 50552, 54098, 58740, 59016, 63190, 69509, 73770, 75828, 81147, 93720, 94785, 98360, 108196, 117480, 126380, 135245, 139018, 147540, 151656, 162294, 174589, 189570, 208527, 216392, 218851, 252760, 270490, 278036, 295080, 324588, 347545, 349178, 379140, 405735, 417054, 437702, 523767, 540980, 556072, 649176, 656553, 695090, 698356, 758280, 811470, 834108, 872945, 875404, 1042635, 1047534, 1081960, 1094255, 1313106, 1390180, 1396712, 1622940, 1668216, 1745890, 1750808, 1920479, 2085270, 2095068, 2188510, 2407361, 2618835, 2626212, 2780360, 3245880, 3282765, 3491780, 3840958, 4170540, 4190136, 4377020, 4814722, 5237670, 5252424, 5761437, 6565530, 6983560, 7222083, 7681916, 8341080, 8754040, 9602395, 9629444, 10475340, 11522874, 12036805, 13131060, 14444166, 15363832, 15538421, 19204790, 19258888, 20950680, 23045748, 24073610, 26262120, 28807185, 28888332, 31076842, 36110415, 38409580, 46091496, 46615263, 48147220, 57614370, 57776664, 62153684, 72220830, 76819160, 77692105, 93230526, 96294440, 115228740, 124307368, 144441660, 155384210, 170922631, 186461052, 230457480, 233076315, 288883320, 310768420, 341845262, 372922104, 466152630, 512767893, 621536840, 683690524, 854613155, 932305260, 1025535786, 1367381048, 1709226310, 1864610520, 2051071572, 2563839465, 3418452620, 4102143144, 5127678930, 6836905240, 10255357860, 20510715720]

約数ペア:

[(1, 20510715720), (2, 10255357860), (3, 6836905240), (4, 5127678930), (5, 4102143144), (6, 3418452620), (8, 2563839465), (10, 2051071572), (11, 1864610520), (12, 1709226310), (15, 1367381048), (20, 1025535786), (22, 932305260), (24, 854613155), (30, 683690524), (33, 621536840), (40, 512767893), (44, 466152630), (55, 372922104), (60, 341845262), (66, 310768420), (71, 288883320), (88, 233076315), (89, 230457480), (110, 186461052), (120, 170922631), (132, 155384210), (142, 144441660), (165, 124307368), (178, 115228740), (213, 96294440), (220, 93230526), (264, 77692105), (267, 76819160), (284, 72220830), (330, 62153684), (355, 57776664), (356, 57614370), (426, 48147220), (440, 46615263), (445, 46091496), (534, 38409580), (568, 36110415), (660, 31076842), (710, 28888332), (712, 28807185), (781, 26262120), (852, 24073610), (890, 23045748), (979, 20950680), (1065, 19258888), (1068, 19204790), (1320, 15538421), (1335, 15363832), (1420, 14444166), (1562, 13131060), (1704, 12036805), (1780, 11522874), (1958, 10475340), (2130, 9629444), (2136, 9602395), (2343, 8754040), (2459, 8341080), (2670, 7681916), (2840, 7222083), (2937, 6983560), (3124, 6565530), (3560, 5761437), (3905, 5252424), (3916, 5237670), (4260, 4814722), (4686, 4377020), (4895, 4190136), (4918, 4170540), (5340, 3840958), (5874, 3491780), (6248, 3282765), (6319, 3245880), (7377, 2780360), (7810, 2626212), (7832, 2618835), (8520, 2407361), (9372, 2188510), (9790, 2095068), (9836, 2085270), (10680, 1920479), (11715, 1750808), (11748, 1745890), (12295, 1668216), (12638, 1622940), (14685, 1396712), (14754, 1390180), (15620, 1313106), (18744, 1094255), (18957, 1081960), (19580, 1047534), (19672, 1042635), (23430, 875404), (23496, 872945), (24590, 834108), (25276, 811470), (27049, 758280), (29370, 698356), (29508, 695090), (31240, 656553), (31595, 649176), (36885, 556072), (37914, 540980), (39160, 523767), (46860, 437702), (49180, 417054), (50552, 405735), (54098, 379140), (58740, 349178), (59016, 347545), (63190, 324588), (69509, 295080), (73770, 278036), (75828, 270490), (81147, 252760), (93720, 218851), (94785, 216392), (98360, 208527), (108196, 189570), (117480, 174589), (126380, 162294), (135245, 151656), (139018, 147540)]