20181121380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{33161}}^1$

素因数の和:33216

約数の個数: 288

約数和(自身を含む): 76214234880

約数和(自身を除く): 56033113500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 49, 54, 60, 63, 69, 70, 84, 90, 92, 98, 105, 108, 115, 126, 135, 138, 140, 147, 161, 180, 189, 196, 207, 210, 230, 245, 252, 270, 276, 294, 315, 322, 345, 378, 414, 420, 441, 460, 483, 490, 540, 588, 621, 630, 644, 690, 735, 756, 805, 828, 882, 945, 966, 980, 1035, 1127, 1242, 1260, 1323, 1380, 1449, 1470, 1610, 1764, 1890, 1932, 2070, 2205, 2254, 2415, 2484, 2646, 2898, 2940, 3105, 3220, 3381, 3780, 4140, 4347, 4410, 4508, 4830, 5292, 5635, 5796, 6210, 6615, 6762, 7245, 8694, 8820, 9660, 10143, 11270, 12420, 13230, 13524, 14490, 16905, 17388, 20286, 21735, 22540, 26460, 28980, 30429, 33161, 33810, 40572, 43470, 50715, 60858, 66322, 67620, 86940, 99483, 101430, 121716, 132644, 152145, 165805, 198966, 202860, 232127, 298449, 304290, 331610, 397932, 464254, 497415, 596898, 608580, 663220, 696381, 762703, 895347, 928508, 994830, 1160635, 1193796, 1392762, 1492245, 1525406, 1624889, 1790694, 1989660, 2089143, 2288109, 2321270, 2785524, 2984490, 3050812, 3249778, 3481905, 3581388, 3813515, 4178286, 4476735, 4576218, 4642540, 4874667, 5338921, 5968980, 6267429, 6499556, 6864327, 6963810, 7627030, 8124445, 8356572, 8953470, 9152436, 9749334, 10445715, 10677842, 11440545, 12534858, 13728654, 13927620, 14624001, 15254060, 16016763, 16248890, 17906940, 19498668, 20592981, 20891430, 21355684, 22881090, 24373335, 25069716, 26694605, 27457308, 29248002, 31337145, 32033526, 32497780, 34321635, 37372447, 41185962, 41782860, 43872003, 45762180, 48050289, 48746670, 53389210, 58496004, 62674290, 64067052, 68643270, 73120005, 74744894, 80083815, 82371924, 87744006, 96100578, 97493340, 102964905, 106778420, 112117341, 125348580, 137286540, 144150867, 146240010, 149489788, 160167630, 175488012, 186862235, 192201156, 205929810, 219360015, 224234682, 240251445, 288301734, 292480020, 320335260, 336352023, 373724470, 411859620, 438720030, 448469364, 480502890, 560586705, 576603468, 672704046, 720754335, 747448940, 877440060, 961005780, 1009056069, 1121173410, 1345408092, 1441508670, 1681760115, 2018112138, 2242346820, 2883017340, 3363520230, 4036224276, 5045280345, 6727040460, 10090560690, 20181121380]

約数ペア:

[(1, 20181121380), (2, 10090560690), (3, 6727040460), (4, 5045280345), (5, 4036224276), (6, 3363520230), (7, 2883017340), (9, 2242346820), (10, 2018112138), (12, 1681760115), (14, 1441508670), (15, 1345408092), (18, 1121173410), (20, 1009056069), (21, 961005780), (23, 877440060), (27, 747448940), (28, 720754335), (30, 672704046), (35, 576603468), (36, 560586705), (42, 480502890), (45, 448469364), (46, 438720030), (49, 411859620), (54, 373724470), (60, 336352023), (63, 320335260), (69, 292480020), (70, 288301734), (84, 240251445), (90, 224234682), (92, 219360015), (98, 205929810), (105, 192201156), (108, 186862235), (115, 175488012), (126, 160167630), (135, 149489788), (138, 146240010), (140, 144150867), (147, 137286540), (161, 125348580), (180, 112117341), (189, 106778420), (196, 102964905), (207, 97493340), (210, 96100578), (230, 87744006), (245, 82371924), (252, 80083815), (270, 74744894), (276, 73120005), (294, 68643270), (315, 64067052), (322, 62674290), (345, 58496004), (378, 53389210), (414, 48746670), (420, 48050289), (441, 45762180), (460, 43872003), (483, 41782860), (490, 41185962), (540, 37372447), (588, 34321635), (621, 32497780), (630, 32033526), (644, 31337145), (690, 29248002), (735, 27457308), (756, 26694605), (805, 25069716), (828, 24373335), (882, 22881090), (945, 21355684), (966, 20891430), (980, 20592981), (1035, 19498668), (1127, 17906940), (1242, 16248890), (1260, 16016763), (1323, 15254060), (1380, 14624001), (1449, 13927620), (1470, 13728654), (1610, 12534858), (1764, 11440545), (1890, 10677842), (1932, 10445715), (2070, 9749334), (2205, 9152436), (2254, 8953470), (2415, 8356572), (2484, 8124445), (2646, 7627030), (2898, 6963810), (2940, 6864327), (3105, 6499556), (3220, 6267429), (3381, 5968980), (3780, 5338921), (4140, 4874667), (4347, 4642540), (4410, 4576218), (4508, 4476735), (4830, 4178286), (5292, 3813515), (5635, 3581388), (5796, 3481905), (6210, 3249778), (6615, 3050812), (6762, 2984490), (7245, 2785524), (8694, 2321270), (8820, 2288109), (9660, 2089143), (10143, 1989660), (11270, 1790694), (12420, 1624889), (13230, 1525406), (13524, 1492245), (14490, 1392762), (16905, 1193796), (17388, 1160635), (20286, 994830), (21735, 928508), (22540, 895347), (26460, 762703), (28980, 696381), (30429, 663220), (33161, 608580), (33810, 596898), (40572, 497415), (43470, 464254), (50715, 397932), (60858, 331610), (66322, 304290), (67620, 298449), (86940, 232127), (99483, 202860), (101430, 198966), (121716, 165805), (132644, 152145)]