27728640

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 216

約数和(自身を含む): 100442160

約数和(自身を除く): 72713520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 64, 72, 80, 83, 87, 90, 96, 116, 120, 128, 144, 145, 160, 166, 174, 180, 192, 232, 240, 249, 256, 261, 288, 290, 320, 332, 348, 360, 384, 415, 435, 464, 480, 498, 522, 576, 580, 640, 664, 696, 720, 747, 768, 830, 870, 928, 960, 996, 1044, 1152, 1160, 1245, 1280, 1305, 1328, 1392, 1440, 1494, 1660, 1740, 1856, 1920, 1992, 2088, 2304, 2320, 2407, 2490, 2610, 2656, 2784, 2880, 2988, 3320, 3480, 3712, 3735, 3840, 3984, 4176, 4640, 4814, 4980, 5220, 5312, 5568, 5760, 5976, 6640, 6960, 7221, 7424, 7470, 7968, 8352, 9280, 9628, 9960, 10440, 10624, 11136, 11520, 11952, 12035, 13280, 13920, 14442, 14940, 15936, 16704, 18560, 19256, 19920, 20880, 21248, 21663, 22272, 23904, 24070, 26560, 27840, 28884, 29880, 31872, 33408, 36105, 37120, 38512, 39840, 41760, 43326, 47808, 48140, 53120, 55680, 57768, 59760, 63744, 66816, 72210, 77024, 79680, 83520, 86652, 95616, 96280, 106240, 108315, 111360, 115536, 119520, 144420, 154048, 159360, 167040, 173304, 191232, 192560, 216630, 231072, 239040, 288840, 308096, 318720, 334080, 346608, 385120, 433260, 462144, 478080, 577680, 616192, 693216, 770240, 866520, 924288, 956160, 1155360, 1386432, 1540480, 1733040, 1848576, 2310720, 2772864, 3080960, 3466080, 4621440, 5545728, 6932160, 9242880, 13864320, 27728640]

約数ペア:

[(1, 27728640), (2, 13864320), (3, 9242880), (4, 6932160), (5, 5545728), (6, 4621440), (8, 3466080), (9, 3080960), (10, 2772864), (12, 2310720), (15, 1848576), (16, 1733040), (18, 1540480), (20, 1386432), (24, 1155360), (29, 956160), (30, 924288), (32, 866520), (36, 770240), (40, 693216), (45, 616192), (48, 577680), (58, 478080), (60, 462144), (64, 433260), (72, 385120), (80, 346608), (83, 334080), (87, 318720), (90, 308096), (96, 288840), (116, 239040), (120, 231072), (128, 216630), (144, 192560), (145, 191232), (160, 173304), (166, 167040), (174, 159360), (180, 154048), (192, 144420), (232, 119520), (240, 115536), (249, 111360), (256, 108315), (261, 106240), (288, 96280), (290, 95616), (320, 86652), (332, 83520), (348, 79680), (360, 77024), (384, 72210), (415, 66816), (435, 63744), (464, 59760), (480, 57768), (498, 55680), (522, 53120), (576, 48140), (580, 47808), (640, 43326), (664, 41760), (696, 39840), (720, 38512), (747, 37120), (768, 36105), (830, 33408), (870, 31872), (928, 29880), (960, 28884), (996, 27840), (1044, 26560), (1152, 24070), (1160, 23904), (1245, 22272), (1280, 21663), (1305, 21248), (1328, 20880), (1392, 19920), (1440, 19256), (1494, 18560), (1660, 16704), (1740, 15936), (1856, 14940), (1920, 14442), (1992, 13920), (2088, 13280), (2304, 12035), (2320, 11952), (2407, 11520), (2490, 11136), (2610, 10624), (2656, 10440), (2784, 9960), (2880, 9628), (2988, 9280), (3320, 8352), (3480, 7968), (3712, 7470), (3735, 7424), (3840, 7221), (3984, 6960), (4176, 6640), (4640, 5976), (4814, 5760), (4980, 5568), (5220, 5312)]