28120211520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1\times {\mathrm{587}}^1$

素因数の和:1105

約数の個数: 224

約数和(自身を含む): 90328089600

約数和(自身を除く): 62207878080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 139, 160, 192, 240, 278, 320, 359, 417, 480, 556, 587, 695, 718, 834, 960, 1077, 1112, 1174, 1390, 1436, 1668, 1761, 1795, 2085, 2154, 2224, 2348, 2780, 2872, 2935, 3336, 3522, 3590, 4170, 4308, 4448, 4696, 5385, 5560, 5744, 5870, 6672, 7044, 7180, 8340, 8616, 8805, 8896, 9392, 10770, 11120, 11488, 11740, 13344, 14088, 14360, 16680, 17232, 17610, 18784, 21540, 22240, 22976, 23480, 26688, 28176, 28720, 33360, 34464, 35220, 37568, 43080, 44480, 46960, 49901, 56352, 57440, 66720, 68928, 70440, 81593, 86160, 93920, 99802, 112704, 114880, 133440, 140880, 149703, 163186, 172320, 187840, 199604, 210733, 244779, 249505, 281760, 299406, 326372, 344640, 399208, 407965, 421466, 489558, 499010, 563520, 598812, 632199, 652744, 748515, 798416, 815930, 842932, 979116, 998020, 1053665, 1197624, 1223895, 1264398, 1305488, 1497030, 1596832, 1631860, 1685864, 1958232, 1996040, 2107330, 2395248, 2447790, 2528796, 2610976, 2994060, 3160995, 3193664, 3263720, 3371728, 3916464, 3992080, 4214660, 4790496, 4895580, 5057592, 5221952, 5988120, 6321990, 6527440, 6743456, 7832928, 7984160, 8429320, 9580992, 9791160, 10115184, 11976240, 12643980, 13054880, 13486912, 15665856, 15968320, 16858640, 19582320, 20230368, 23952480, 25287960, 26109760, 29291887, 33717280, 39164640, 40460736, 47904960, 50575920, 58583774, 67434560, 78329280, 87875661, 101151840, 117167548, 146459435, 175751322, 202303680, 234335096, 292918870, 351502644, 439378305, 468670192, 585837740, 703005288, 878756610, 937340384, 1171675480, 1406010576, 1757513220, 1874680768, 2343350960, 2812021152, 3515026440, 4686701920, 5624042304, 7030052880, 9373403840, 14060105760, 28120211520]

約数ペア:

[(1, 28120211520), (2, 14060105760), (3, 9373403840), (4, 7030052880), (5, 5624042304), (6, 4686701920), (8, 3515026440), (10, 2812021152), (12, 2343350960), (15, 1874680768), (16, 1757513220), (20, 1406010576), (24, 1171675480), (30, 937340384), (32, 878756610), (40, 703005288), (48, 585837740), (60, 468670192), (64, 439378305), (80, 351502644), (96, 292918870), (120, 234335096), (139, 202303680), (160, 175751322), (192, 146459435), (240, 117167548), (278, 101151840), (320, 87875661), (359, 78329280), (417, 67434560), (480, 58583774), (556, 50575920), (587, 47904960), (695, 40460736), (718, 39164640), (834, 33717280), (960, 29291887), (1077, 26109760), (1112, 25287960), (1174, 23952480), (1390, 20230368), (1436, 19582320), (1668, 16858640), (1761, 15968320), (1795, 15665856), (2085, 13486912), (2154, 13054880), (2224, 12643980), (2348, 11976240), (2780, 10115184), (2872, 9791160), (2935, 9580992), (3336, 8429320), (3522, 7984160), (3590, 7832928), (4170, 6743456), (4308, 6527440), (4448, 6321990), (4696, 5988120), (5385, 5221952), (5560, 5057592), (5744, 4895580), (5870, 4790496), (6672, 4214660), (7044, 3992080), (7180, 3916464), (8340, 3371728), (8616, 3263720), (8805, 3193664), (8896, 3160995), (9392, 2994060), (10770, 2610976), (11120, 2528796), (11488, 2447790), (11740, 2395248), (13344, 2107330), (14088, 1996040), (14360, 1958232), (16680, 1685864), (17232, 1631860), (17610, 1596832), (18784, 1497030), (21540, 1305488), (22240, 1264398), (22976, 1223895), (23480, 1197624), (26688, 1053665), (28176, 998020), (28720, 979116), (33360, 842932), (34464, 815930), (35220, 798416), (37568, 748515), (43080, 652744), (44480, 632199), (46960, 598812), (49901, 563520), (56352, 499010), (57440, 489558), (66720, 421466), (68928, 407965), (70440, 399208), (81593, 344640), (86160, 326372), (93920, 299406), (99802, 281760), (112704, 249505), (114880, 244779), (133440, 210733), (140880, 199604), (149703, 187840), (163186, 172320)]