280968000

素因数分解:

$2^6\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{509}}^1$

素因数の和:562

約数の個数: 224

約数和(自身を含む): 969995520

約数和(自身を除く): 689027520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 32, 40, 46, 48, 50, 60, 64, 69, 75, 80, 92, 96, 100, 115, 120, 125, 138, 150, 160, 184, 192, 200, 230, 240, 250, 276, 300, 320, 345, 368, 375, 400, 460, 480, 500, 509, 552, 575, 600, 690, 736, 750, 800, 920, 960, 1000, 1018, 1104, 1150, 1200, 1380, 1472, 1500, 1527, 1600, 1725, 1840, 2000, 2036, 2208, 2300, 2400, 2545, 2760, 2875, 3000, 3054, 3450, 3680, 4000, 4072, 4416, 4600, 4800, 5090, 5520, 5750, 6000, 6108, 6900, 7360, 7635, 8000, 8144, 8625, 9200, 10180, 11040, 11500, 11707, 12000, 12216, 12725, 13800, 15270, 16288, 17250, 18400, 20360, 22080, 23000, 23414, 24000, 24432, 25450, 27600, 30540, 32576, 34500, 35121, 36800, 38175, 40720, 46000, 46828, 48864, 50900, 55200, 58535, 61080, 63625, 69000, 70242, 76350, 81440, 92000, 93656, 97728, 101800, 110400, 117070, 122160, 127250, 138000, 140484, 152700, 162880, 175605, 184000, 187312, 190875, 203600, 234140, 244320, 254500, 276000, 280968, 292675, 305400, 351210, 374624, 381750, 407200, 468280, 488640, 509000, 552000, 561936, 585350, 610800, 702420, 749248, 763500, 814400, 878025, 936560, 1018000, 1123872, 1170700, 1221600, 1404840, 1463375, 1527000, 1756050, 1873120, 2036000, 2247744, 2341400, 2443200, 2809680, 2926750, 3054000, 3512100, 3746240, 4072000, 4390125, 4682800, 5619360, 5853500, 6108000, 7024200, 8780250, 9365600, 11238720, 11707000, 12216000, 14048400, 17560500, 18731200, 23414000, 28096800, 35121000, 46828000, 56193600, 70242000, 93656000, 140484000, 280968000]

約数ペア:

[(1, 280968000), (2, 140484000), (3, 93656000), (4, 70242000), (5, 56193600), (6, 46828000), (8, 35121000), (10, 28096800), (12, 23414000), (15, 18731200), (16, 17560500), (20, 14048400), (23, 12216000), (24, 11707000), (25, 11238720), (30, 9365600), (32, 8780250), (40, 7024200), (46, 6108000), (48, 5853500), (50, 5619360), (60, 4682800), (64, 4390125), (69, 4072000), (75, 3746240), (80, 3512100), (92, 3054000), (96, 2926750), (100, 2809680), (115, 2443200), (120, 2341400), (125, 2247744), (138, 2036000), (150, 1873120), (160, 1756050), (184, 1527000), (192, 1463375), (200, 1404840), (230, 1221600), (240, 1170700), (250, 1123872), (276, 1018000), (300, 936560), (320, 878025), (345, 814400), (368, 763500), (375, 749248), (400, 702420), (460, 610800), (480, 585350), (500, 561936), (509, 552000), (552, 509000), (575, 488640), (600, 468280), (690, 407200), (736, 381750), (750, 374624), (800, 351210), (920, 305400), (960, 292675), (1000, 280968), (1018, 276000), (1104, 254500), (1150, 244320), (1200, 234140), (1380, 203600), (1472, 190875), (1500, 187312), (1527, 184000), (1600, 175605), (1725, 162880), (1840, 152700), (2000, 140484), (2036, 138000), (2208, 127250), (2300, 122160), (2400, 117070), (2545, 110400), (2760, 101800), (2875, 97728), (3000, 93656), (3054, 92000), (3450, 81440), (3680, 76350), (4000, 70242), (4072, 69000), (4416, 63625), (4600, 61080), (4800, 58535), (5090, 55200), (5520, 50900), (5750, 48864), (6000, 46828), (6108, 46000), (6900, 40720), (7360, 38175), (7635, 36800), (8000, 35121), (8144, 34500), (8625, 32576), (9200, 30540), (10180, 27600), (11040, 25450), (11500, 24432), (11707, 24000), (12000, 23414), (12216, 23000), (12725, 22080), (13800, 20360), (15270, 18400), (16288, 17250)]