28007040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{503}}^1$

素因数の和:554

約数の個数: 128

約数和(自身を含む): 92534400

約数和(自身を除く): 64527360

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, 87, 96, 116, 120, 128, 145, 160, 174, 192, 232, 240, 290, 320, 348, 384, 435, 464, 480, 503, 580, 640, 696, 870, 928, 960, 1006, 1160, 1392, 1509, 1740, 1856, 1920, 2012, 2320, 2515, 2784, 3018, 3480, 3712, 4024, 4640, 5030, 5568, 6036, 6960, 7545, 8048, 9280, 10060, 11136, 12072, 13920, 14587, 15090, 16096, 18560, 20120, 24144, 27840, 29174, 30180, 32192, 40240, 43761, 48288, 55680, 58348, 60360, 64384, 72935, 80480, 87522, 96576, 116696, 120720, 145870, 160960, 175044, 193152, 218805, 233392, 241440, 291740, 321920, 350088, 437610, 466784, 482880, 583480, 700176, 875220, 933568, 965760, 1166960, 1400352, 1750440, 1867136, 2333920, 2800704, 3500880, 4667840, 5601408, 7001760, 9335680, 14003520, 28007040]

約数ペア:

[(1, 28007040), (2, 14003520), (3, 9335680), (4, 7001760), (5, 5601408), (6, 4667840), (8, 3500880), (10, 2800704), (12, 2333920), (15, 1867136), (16, 1750440), (20, 1400352), (24, 1166960), (29, 965760), (30, 933568), (32, 875220), (40, 700176), (48, 583480), (58, 482880), (60, 466784), (64, 437610), (80, 350088), (87, 321920), (96, 291740), (116, 241440), (120, 233392), (128, 218805), (145, 193152), (160, 175044), (174, 160960), (192, 145870), (232, 120720), (240, 116696), (290, 96576), (320, 87522), (348, 80480), (384, 72935), (435, 64384), (464, 60360), (480, 58348), (503, 55680), (580, 48288), (640, 43761), (696, 40240), (870, 32192), (928, 30180), (960, 29174), (1006, 27840), (1160, 24144), (1392, 20120), (1509, 18560), (1740, 16096), (1856, 15090), (1920, 14587), (2012, 13920), (2320, 12072), (2515, 11136), (2784, 10060), (3018, 9280), (3480, 8048), (3712, 7545), (4024, 6960), (4640, 6036), (5030, 5568)]