20581302420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{18089}}^1$

素因数の和:18164

約数の個数: 288

約数和(自身を含む): 76221129600

約数和(自身を除く): 55639827180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 43, 45, 49, 54, 60, 63, 70, 84, 86, 90, 98, 105, 108, 126, 129, 135, 140, 147, 172, 180, 189, 196, 210, 215, 245, 252, 258, 270, 294, 301, 315, 378, 387, 420, 430, 441, 490, 516, 540, 588, 602, 630, 645, 735, 756, 774, 860, 882, 903, 945, 980, 1161, 1204, 1260, 1290, 1323, 1470, 1505, 1548, 1764, 1806, 1890, 1935, 2107, 2205, 2322, 2580, 2646, 2709, 2940, 3010, 3612, 3780, 3870, 4214, 4410, 4515, 4644, 5292, 5418, 5805, 6020, 6321, 6615, 7740, 8127, 8428, 8820, 9030, 10535, 10836, 11610, 12642, 13230, 13545, 16254, 18060, 18089, 18963, 21070, 23220, 25284, 26460, 27090, 31605, 32508, 36178, 37926, 40635, 42140, 54180, 54267, 56889, 63210, 72356, 75852, 81270, 90445, 94815, 108534, 113778, 126420, 126623, 162540, 162801, 180890, 189630, 217068, 227556, 253246, 271335, 284445, 325602, 361780, 379260, 379869, 488403, 506492, 542670, 568890, 633115, 651204, 759738, 777827, 814005, 886361, 976806, 1085340, 1137780, 1139607, 1266230, 1519476, 1555654, 1628010, 1772722, 1899345, 1953612, 2279214, 2333481, 2442015, 2532460, 2659083, 3111308, 3256020, 3418821, 3545444, 3798690, 3889135, 4431805, 4558428, 4666962, 4884030, 5318166, 5444789, 5698035, 6837642, 7000443, 7597380, 7778270, 7977249, 8863610, 9333924, 9768060, 10636332, 10889578, 11396070, 11667405, 13295415, 13675284, 14000886, 15556540, 15954498, 16334367, 17094105, 17727220, 21001329, 21779156, 22792140, 23334810, 23931747, 26590830, 27223945, 28001772, 31908996, 32668734, 34188210, 35002215, 38113523, 39886245, 42002658, 46669620, 47863494, 49003101, 53181660, 54447890, 65337468, 68376420, 70004430, 76227046, 79772490, 81671835, 84005316, 95726988, 98006202, 105006645, 108895780, 114340569, 119658735, 140008860, 147009303, 152454092, 159544980, 163343670, 190567615, 196012404, 210013290, 228681138, 239317470, 245015505, 294018606, 326687340, 343021707, 381135230, 420026580, 457362276, 478634940, 490031010, 571702845, 588037212, 686043414, 735046515, 762270460, 980062020, 1029065121, 1143405690, 1372086828, 1470093030, 1715108535, 2058130242, 2286811380, 2940186060, 3430217070, 4116260484, 5145325605, 6860434140, 10290651210, 20581302420]

約数ペア:

[(1, 20581302420), (2, 10290651210), (3, 6860434140), (4, 5145325605), (5, 4116260484), (6, 3430217070), (7, 2940186060), (9, 2286811380), (10, 2058130242), (12, 1715108535), (14, 1470093030), (15, 1372086828), (18, 1143405690), (20, 1029065121), (21, 980062020), (27, 762270460), (28, 735046515), (30, 686043414), (35, 588037212), (36, 571702845), (42, 490031010), (43, 478634940), (45, 457362276), (49, 420026580), (54, 381135230), (60, 343021707), (63, 326687340), (70, 294018606), (84, 245015505), (86, 239317470), (90, 228681138), (98, 210013290), (105, 196012404), (108, 190567615), (126, 163343670), (129, 159544980), (135, 152454092), (140, 147009303), (147, 140008860), (172, 119658735), (180, 114340569), (189, 108895780), (196, 105006645), (210, 98006202), (215, 95726988), (245, 84005316), (252, 81671835), (258, 79772490), (270, 76227046), (294, 70004430), (301, 68376420), (315, 65337468), (378, 54447890), (387, 53181660), (420, 49003101), (430, 47863494), (441, 46669620), (490, 42002658), (516, 39886245), (540, 38113523), (588, 35002215), (602, 34188210), (630, 32668734), (645, 31908996), (735, 28001772), (756, 27223945), (774, 26590830), (860, 23931747), (882, 23334810), (903, 22792140), (945, 21779156), (980, 21001329), (1161, 17727220), (1204, 17094105), (1260, 16334367), (1290, 15954498), (1323, 15556540), (1470, 14000886), (1505, 13675284), (1548, 13295415), (1764, 11667405), (1806, 11396070), (1890, 10889578), (1935, 10636332), (2107, 9768060), (2205, 9333924), (2322, 8863610), (2580, 7977249), (2646, 7778270), (2709, 7597380), (2940, 7000443), (3010, 6837642), (3612, 5698035), (3780, 5444789), (3870, 5318166), (4214, 4884030), (4410, 4666962), (4515, 4558428), (4644, 4431805), (5292, 3889135), (5418, 3798690), (5805, 3545444), (6020, 3418821), (6321, 3256020), (6615, 3111308), (7740, 2659083), (8127, 2532460), (8428, 2442015), (8820, 2333481), (9030, 2279214), (10535, 1953612), (10836, 1899345), (11610, 1772722), (12642, 1628010), (13230, 1555654), (13545, 1519476), (16254, 1266230), (18060, 1139607), (18089, 1137780), (18963, 1085340), (21070, 976806), (23220, 886361), (25284, 814005), (26460, 777827), (27090, 759738), (31605, 651204), (32508, 633115), (36178, 568890), (37926, 542670), (40635, 506492), (42140, 488403), (54180, 379869), (54267, 379260), (56889, 361780), (63210, 325602), (72356, 284445), (75852, 271335), (81270, 253246), (90445, 227556), (94815, 217068), (108534, 189630), (113778, 180890), (126420, 162801), (126623, 162540)]