1978484976

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:492

約数の個数: 240

約数和(自身を含む): 6233823232

約数和(自身を除く): 4255338256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 36, 39, 48, 52, 62, 72, 78, 93, 103, 104, 117, 124, 144, 156, 186, 206, 208, 234, 248, 279, 309, 312, 331, 372, 403, 412, 468, 496, 558, 618, 624, 662, 744, 806, 824, 927, 936, 993, 1116, 1209, 1236, 1324, 1339, 1488, 1612, 1648, 1854, 1872, 1986, 2232, 2418, 2472, 2648, 2678, 2979, 3193, 3224, 3627, 3708, 3972, 4017, 4303, 4464, 4836, 4944, 5296, 5356, 5958, 6386, 6448, 7254, 7416, 7944, 8034, 8606, 9579, 9672, 10261, 10712, 11916, 12051, 12772, 12909, 14508, 14832, 15888, 16068, 17212, 19158, 19344, 20522, 21424, 23832, 24102, 25544, 25818, 28737, 29016, 30783, 32136, 34093, 34424, 38316, 38727, 41044, 41509, 47664, 48204, 51088, 51636, 57474, 58032, 61566, 64272, 68186, 68848, 76632, 77454, 82088, 83018, 92349, 96408, 102279, 103272, 114948, 123132, 124527, 133393, 136372, 153264, 154908, 164176, 166036, 184698, 192816, 204558, 206544, 229896, 246264, 249054, 266786, 272744, 306837, 309816, 332072, 369396, 373581, 400179, 409116, 443209, 459792, 492528, 498108, 533572, 545488, 613674, 619632, 664144, 738792, 747162, 800358, 818232, 886418, 996216, 1056883, 1067144, 1200537, 1227348, 1329627, 1477584, 1494324, 1600716, 1636464, 1772836, 1992432, 2113766, 2134288, 2401074, 2454696, 2659254, 2988648, 3170649, 3201432, 3545672, 3988881, 4227532, 4802148, 4909392, 5318508, 5977296, 6341298, 6402864, 7091344, 7977762, 8455064, 9511947, 9604296, 10637016, 12682596, 13739479, 15955524, 16910128, 19023894, 19208592, 21274032, 25365192, 27478958, 31911048, 38047788, 41218437, 50730384, 54957916, 63822096, 76095576, 82436874, 109915832, 123655311, 152191152, 164873748, 219831664, 247310622, 329747496, 494621244, 659494992, 989242488, 1978484976]

約数ペア:

[(1, 1978484976), (2, 989242488), (3, 659494992), (4, 494621244), (6, 329747496), (8, 247310622), (9, 219831664), (12, 164873748), (13, 152191152), (16, 123655311), (18, 109915832), (24, 82436874), (26, 76095576), (31, 63822096), (36, 54957916), (39, 50730384), (48, 41218437), (52, 38047788), (62, 31911048), (72, 27478958), (78, 25365192), (93, 21274032), (103, 19208592), (104, 19023894), (117, 16910128), (124, 15955524), (144, 13739479), (156, 12682596), (186, 10637016), (206, 9604296), (208, 9511947), (234, 8455064), (248, 7977762), (279, 7091344), (309, 6402864), (312, 6341298), (331, 5977296), (372, 5318508), (403, 4909392), (412, 4802148), (468, 4227532), (496, 3988881), (558, 3545672), (618, 3201432), (624, 3170649), (662, 2988648), (744, 2659254), (806, 2454696), (824, 2401074), (927, 2134288), (936, 2113766), (993, 1992432), (1116, 1772836), (1209, 1636464), (1236, 1600716), (1324, 1494324), (1339, 1477584), (1488, 1329627), (1612, 1227348), (1648, 1200537), (1854, 1067144), (1872, 1056883), (1986, 996216), (2232, 886418), (2418, 818232), (2472, 800358), (2648, 747162), (2678, 738792), (2979, 664144), (3193, 619632), (3224, 613674), (3627, 545488), (3708, 533572), (3972, 498108), (4017, 492528), (4303, 459792), (4464, 443209), (4836, 409116), (4944, 400179), (5296, 373581), (5356, 369396), (5958, 332072), (6386, 309816), (6448, 306837), (7254, 272744), (7416, 266786), (7944, 249054), (8034, 246264), (8606, 229896), (9579, 206544), (9672, 204558), (10261, 192816), (10712, 184698), (11916, 166036), (12051, 164176), (12772, 154908), (12909, 153264), (14508, 136372), (14832, 133393), (15888, 124527), (16068, 123132), (17212, 114948), (19158, 103272), (19344, 102279), (20522, 96408), (21424, 92349), (23832, 83018), (24102, 82088), (25544, 77454), (25818, 76632), (28737, 68848), (29016, 68186), (30783, 64272), (32136, 61566), (34093, 58032), (34424, 57474), (38316, 51636), (38727, 51088), (41044, 48204), (41509, 47664)]