42780000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 240

約数和(自身を含む): 151151616

約数和(自身を除く): 108371616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 30, 31, 32, 40, 46, 48, 50, 60, 62, 69, 75, 80, 92, 93, 96, 100, 115, 120, 124, 125, 138, 150, 155, 160, 184, 186, 200, 230, 240, 248, 250, 276, 300, 310, 345, 368, 372, 375, 400, 460, 465, 480, 496, 500, 552, 575, 600, 620, 625, 690, 713, 736, 744, 750, 775, 800, 920, 930, 992, 1000, 1104, 1150, 1200, 1240, 1250, 1380, 1426, 1488, 1500, 1550, 1725, 1840, 1860, 1875, 2000, 2139, 2208, 2300, 2325, 2400, 2480, 2500, 2760, 2852, 2875, 2976, 3000, 3100, 3450, 3565, 3680, 3720, 3750, 3875, 4000, 4278, 4600, 4650, 4960, 5000, 5520, 5704, 5750, 6000, 6200, 6900, 7130, 7440, 7500, 7750, 8556, 8625, 9200, 9300, 10000, 10695, 11040, 11408, 11500, 11625, 12000, 12400, 13800, 14260, 14375, 14880, 15000, 15500, 17112, 17250, 17825, 18400, 18600, 19375, 20000, 21390, 22816, 23000, 23250, 24800, 27600, 28520, 28750, 30000, 31000, 34224, 34500, 35650, 37200, 38750, 42780, 43125, 46000, 46500, 53475, 55200, 57040, 57500, 58125, 60000, 62000, 68448, 69000, 71300, 74400, 77500, 85560, 86250, 89125, 92000, 93000, 106950, 114080, 115000, 116250, 124000, 138000, 142600, 155000, 171120, 172500, 178250, 186000, 213900, 230000, 232500, 267375, 276000, 285200, 310000, 342240, 345000, 356500, 372000, 427800, 445625, 460000, 465000, 534750, 570400, 620000, 690000, 713000, 855600, 891250, 930000, 1069500, 1336875, 1380000, 1426000, 1711200, 1782500, 1860000, 2139000, 2673750, 2852000, 3565000, 4278000, 5347500, 7130000, 8556000, 10695000, 14260000, 21390000, 42780000]

約数ペア:

[(1, 42780000), (2, 21390000), (3, 14260000), (4, 10695000), (5, 8556000), (6, 7130000), (8, 5347500), (10, 4278000), (12, 3565000), (15, 2852000), (16, 2673750), (20, 2139000), (23, 1860000), (24, 1782500), (25, 1711200), (30, 1426000), (31, 1380000), (32, 1336875), (40, 1069500), (46, 930000), (48, 891250), (50, 855600), (60, 713000), (62, 690000), (69, 620000), (75, 570400), (80, 534750), (92, 465000), (93, 460000), (96, 445625), (100, 427800), (115, 372000), (120, 356500), (124, 345000), (125, 342240), (138, 310000), (150, 285200), (155, 276000), (160, 267375), (184, 232500), (186, 230000), (200, 213900), (230, 186000), (240, 178250), (248, 172500), (250, 171120), (276, 155000), (300, 142600), (310, 138000), (345, 124000), (368, 116250), (372, 115000), (375, 114080), (400, 106950), (460, 93000), (465, 92000), (480, 89125), (496, 86250), (500, 85560), (552, 77500), (575, 74400), (600, 71300), (620, 69000), (625, 68448), (690, 62000), (713, 60000), (736, 58125), (744, 57500), (750, 57040), (775, 55200), (800, 53475), (920, 46500), (930, 46000), (992, 43125), (1000, 42780), (1104, 38750), (1150, 37200), (1200, 35650), (1240, 34500), (1250, 34224), (1380, 31000), (1426, 30000), (1488, 28750), (1500, 28520), (1550, 27600), (1725, 24800), (1840, 23250), (1860, 23000), (1875, 22816), (2000, 21390), (2139, 20000), (2208, 19375), (2300, 18600), (2325, 18400), (2400, 17825), (2480, 17250), (2500, 17112), (2760, 15500), (2852, 15000), (2875, 14880), (2976, 14375), (3000, 14260), (3100, 13800), (3450, 12400), (3565, 12000), (3680, 11625), (3720, 11500), (3750, 11408), (3875, 11040), (4000, 10695), (4278, 10000), (4600, 9300), (4650, 9200), (4960, 8625), (5000, 8556), (5520, 7750), (5704, 7500), (5750, 7440), (6000, 7130), (6200, 6900)]