1639381680

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8161}}^1$

素因数の和:8217

約数の個数: 200

約数和(自身を含む): 5878207104

約数和(自身を除く): 4238825424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 108, 120, 124, 135, 144, 155, 162, 180, 186, 216, 240, 248, 270, 279, 310, 324, 360, 372, 405, 432, 465, 496, 540, 558, 620, 648, 720, 744, 810, 837, 930, 1080, 1116, 1240, 1296, 1395, 1488, 1620, 1674, 1860, 2160, 2232, 2480, 2511, 2790, 3240, 3348, 3720, 4185, 4464, 5022, 5580, 6480, 6696, 7440, 8161, 8370, 10044, 11160, 12555, 13392, 16322, 16740, 20088, 22320, 24483, 25110, 32644, 33480, 40176, 40805, 48966, 50220, 65288, 66960, 73449, 81610, 97932, 100440, 122415, 130576, 146898, 163220, 195864, 200880, 220347, 244830, 252991, 293796, 326440, 367245, 391728, 440694, 489660, 505982, 587592, 652880, 661041, 734490, 758973, 881388, 979320, 1011964, 1101735, 1175184, 1264955, 1322082, 1468980, 1517946, 1762776, 1958640, 2023928, 2203470, 2276919, 2529910, 2644164, 2937960, 3035892, 3305205, 3525552, 3794865, 4047856, 4406940, 4553838, 5059820, 5288328, 5875920, 6071784, 6610410, 6830757, 7589730, 8813880, 9107676, 10119640, 10576656, 11384595, 12143568, 13220820, 13661514, 15179460, 17627760, 18215352, 20239280, 20492271, 22769190, 26441640, 27323028, 30358920, 34153785, 36430704, 40984542, 45538380, 52883280, 54646056, 60717840, 68307570, 81969084, 91076760, 102461355, 109292112, 136615140, 163938168, 182153520, 204922710, 273230280, 327876336, 409845420, 546460560, 819690840, 1639381680]

約数ペア:

[(1, 1639381680), (2, 819690840), (3, 546460560), (4, 409845420), (5, 327876336), (6, 273230280), (8, 204922710), (9, 182153520), (10, 163938168), (12, 136615140), (15, 109292112), (16, 102461355), (18, 91076760), (20, 81969084), (24, 68307570), (27, 60717840), (30, 54646056), (31, 52883280), (36, 45538380), (40, 40984542), (45, 36430704), (48, 34153785), (54, 30358920), (60, 27323028), (62, 26441640), (72, 22769190), (80, 20492271), (81, 20239280), (90, 18215352), (93, 17627760), (108, 15179460), (120, 13661514), (124, 13220820), (135, 12143568), (144, 11384595), (155, 10576656), (162, 10119640), (180, 9107676), (186, 8813880), (216, 7589730), (240, 6830757), (248, 6610410), (270, 6071784), (279, 5875920), (310, 5288328), (324, 5059820), (360, 4553838), (372, 4406940), (405, 4047856), (432, 3794865), (465, 3525552), (496, 3305205), (540, 3035892), (558, 2937960), (620, 2644164), (648, 2529910), (720, 2276919), (744, 2203470), (810, 2023928), (837, 1958640), (930, 1762776), (1080, 1517946), (1116, 1468980), (1240, 1322082), (1296, 1264955), (1395, 1175184), (1488, 1101735), (1620, 1011964), (1674, 979320), (1860, 881388), (2160, 758973), (2232, 734490), (2480, 661041), (2511, 652880), (2790, 587592), (3240, 505982), (3348, 489660), (3720, 440694), (4185, 391728), (4464, 367245), (5022, 326440), (5580, 293796), (6480, 252991), (6696, 244830), (7440, 220347), (8161, 200880), (8370, 195864), (10044, 163220), (11160, 146898), (12555, 130576), (13392, 122415), (16322, 100440), (16740, 97932), (20088, 81610), (22320, 73449), (24483, 66960), (25110, 65288), (32644, 50220), (33480, 48966), (40176, 40805)]