18485760

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:138

約数の個数: 160

約数和(自身を含む): 61871040

約数和(自身を除く): 43385280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 83, 87, 96, 116, 120, 128, 145, 160, 166, 174, 192, 232, 240, 249, 256, 290, 320, 332, 348, 384, 415, 435, 464, 480, 498, 512, 580, 640, 664, 696, 768, 830, 870, 928, 960, 996, 1160, 1245, 1280, 1328, 1392, 1536, 1660, 1740, 1856, 1920, 1992, 2320, 2407, 2490, 2560, 2656, 2784, 3320, 3480, 3712, 3840, 3984, 4640, 4814, 4980, 5312, 5568, 6640, 6960, 7221, 7424, 7680, 7968, 9280, 9628, 9960, 10624, 11136, 12035, 13280, 13920, 14442, 14848, 15936, 18560, 19256, 19920, 21248, 22272, 24070, 26560, 27840, 28884, 31872, 36105, 37120, 38512, 39840, 42496, 44544, 48140, 53120, 55680, 57768, 63744, 72210, 74240, 77024, 79680, 96280, 106240, 111360, 115536, 127488, 144420, 154048, 159360, 192560, 212480, 222720, 231072, 288840, 308096, 318720, 385120, 462144, 577680, 616192, 637440, 770240, 924288, 1155360, 1232384, 1540480, 1848576, 2310720, 3080960, 3697152, 4621440, 6161920, 9242880, 18485760]

約数ペア:

[(1, 18485760), (2, 9242880), (3, 6161920), (4, 4621440), (5, 3697152), (6, 3080960), (8, 2310720), (10, 1848576), (12, 1540480), (15, 1232384), (16, 1155360), (20, 924288), (24, 770240), (29, 637440), (30, 616192), (32, 577680), (40, 462144), (48, 385120), (58, 318720), (60, 308096), (64, 288840), (80, 231072), (83, 222720), (87, 212480), (96, 192560), (116, 159360), (120, 154048), (128, 144420), (145, 127488), (160, 115536), (166, 111360), (174, 106240), (192, 96280), (232, 79680), (240, 77024), (249, 74240), (256, 72210), (290, 63744), (320, 57768), (332, 55680), (348, 53120), (384, 48140), (415, 44544), (435, 42496), (464, 39840), (480, 38512), (498, 37120), (512, 36105), (580, 31872), (640, 28884), (664, 27840), (696, 26560), (768, 24070), (830, 22272), (870, 21248), (928, 19920), (960, 19256), (996, 18560), (1160, 15936), (1245, 14848), (1280, 14442), (1328, 13920), (1392, 13280), (1536, 12035), (1660, 11136), (1740, 10624), (1856, 9960), (1920, 9628), (1992, 9280), (2320, 7968), (2407, 7680), (2490, 7424), (2560, 7221), (2656, 6960), (2784, 6640), (3320, 5568), (3480, 5312), (3712, 4980), (3840, 4814), (3984, 4640)]