1228552320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20641}}^1$

素因数の和:20694

約数の個数: 128

約数和(自身を含む): 4042529280

約数和(自身を除く): 2813976960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3968, 4960, 5952, 7440, 9920, 11904, 14880, 19840, 20641, 29760, 41282, 59520, 61923, 82564, 103205, 123846, 165128, 206410, 247692, 309615, 330256, 412820, 495384, 619230, 639871, 660512, 825640, 990768, 1238460, 1279742, 1321024, 1651280, 1919613, 1981536, 2476920, 2559484, 2642048, 3199355, 3302560, 3839226, 3963072, 4953840, 5118968, 6398710, 6605120, 7678452, 7926144, 9598065, 9907680, 10237936, 12797420, 13210240, 15356904, 19196130, 19815360, 20475872, 25594840, 30713808, 38392260, 39630720, 40951744, 51189680, 61427616, 76784520, 81903488, 102379360, 122855232, 153569040, 204758720, 245710464, 307138080, 409517440, 614276160, 1228552320]

約数ペア:

[(1, 1228552320), (2, 614276160), (3, 409517440), (4, 307138080), (5, 245710464), (6, 204758720), (8, 153569040), (10, 122855232), (12, 102379360), (15, 81903488), (16, 76784520), (20, 61427616), (24, 51189680), (30, 40951744), (31, 39630720), (32, 38392260), (40, 30713808), (48, 25594840), (60, 20475872), (62, 19815360), (64, 19196130), (80, 15356904), (93, 13210240), (96, 12797420), (120, 10237936), (124, 9907680), (128, 9598065), (155, 7926144), (160, 7678452), (186, 6605120), (192, 6398710), (240, 5118968), (248, 4953840), (310, 3963072), (320, 3839226), (372, 3302560), (384, 3199355), (465, 2642048), (480, 2559484), (496, 2476920), (620, 1981536), (640, 1919613), (744, 1651280), (930, 1321024), (960, 1279742), (992, 1238460), (1240, 990768), (1488, 825640), (1860, 660512), (1920, 639871), (1984, 619230), (2480, 495384), (2976, 412820), (3720, 330256), (3968, 309615), (4960, 247692), (5952, 206410), (7440, 165128), (9920, 123846), (11904, 103205), (14880, 82564), (19840, 61923), (20641, 59520), (29760, 41282)]