20282400

素因数分解:

$2^5\times 3^4\times 5^2\times {\mathrm{313}}^1$

素因数の和:345

約数の個数: 180

約数和(自身を含む): 74202282

約数和(自身を除く): 53919882

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 96, 100, 108, 120, 135, 144, 150, 160, 162, 180, 200, 216, 225, 240, 270, 288, 300, 313, 324, 360, 400, 405, 432, 450, 480, 540, 600, 626, 648, 675, 720, 800, 810, 864, 900, 939, 1080, 1200, 1252, 1296, 1350, 1440, 1565, 1620, 1800, 1878, 2025, 2160, 2400, 2504, 2592, 2700, 2817, 3130, 3240, 3600, 3756, 4050, 4320, 4695, 5008, 5400, 5634, 6260, 6480, 7200, 7512, 7825, 8100, 8451, 9390, 10016, 10800, 11268, 12520, 12960, 14085, 15024, 15650, 16200, 16902, 18780, 21600, 22536, 23475, 25040, 25353, 28170, 30048, 31300, 32400, 33804, 37560, 42255, 45072, 46950, 50080, 50706, 56340, 62600, 64800, 67608, 70425, 75120, 84510, 90144, 93900, 101412, 112680, 125200, 126765, 135216, 140850, 150240, 169020, 187800, 202824, 211275, 225360, 250400, 253530, 270432, 281700, 338040, 375600, 405648, 422550, 450720, 507060, 563400, 633825, 676080, 751200, 811296, 845100, 1014120, 1126800, 1267650, 1352160, 1690200, 2028240, 2253600, 2535300, 3380400, 4056480, 5070600, 6760800, 10141200, 20282400]

約数ペア:

[(1, 20282400), (2, 10141200), (3, 6760800), (4, 5070600), (5, 4056480), (6, 3380400), (8, 2535300), (9, 2253600), (10, 2028240), (12, 1690200), (15, 1352160), (16, 1267650), (18, 1126800), (20, 1014120), (24, 845100), (25, 811296), (27, 751200), (30, 676080), (32, 633825), (36, 563400), (40, 507060), (45, 450720), (48, 422550), (50, 405648), (54, 375600), (60, 338040), (72, 281700), (75, 270432), (80, 253530), (81, 250400), (90, 225360), (96, 211275), (100, 202824), (108, 187800), (120, 169020), (135, 150240), (144, 140850), (150, 135216), (160, 126765), (162, 125200), (180, 112680), (200, 101412), (216, 93900), (225, 90144), (240, 84510), (270, 75120), (288, 70425), (300, 67608), (313, 64800), (324, 62600), (360, 56340), (400, 50706), (405, 50080), (432, 46950), (450, 45072), (480, 42255), (540, 37560), (600, 33804), (626, 32400), (648, 31300), (675, 30048), (720, 28170), (800, 25353), (810, 25040), (864, 23475), (900, 22536), (939, 21600), (1080, 18780), (1200, 16902), (1252, 16200), (1296, 15650), (1350, 15024), (1440, 14085), (1565, 12960), (1620, 12520), (1800, 11268), (1878, 10800), (2025, 10016), (2160, 9390), (2400, 8451), (2504, 8100), (2592, 7825), (2700, 7512), (2817, 7200), (3130, 6480), (3240, 6260), (3600, 5634), (3756, 5400), (4050, 5008), (4320, 4695)]