449880000

素因数分解:

$2^6\times 3^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:221

約数の個数: 280

約数和(自身を含む): 1561600128

約数和(自身を除く): 1111720128

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, 163, 184, 192, 200, 230, 240, 250, 276, 300, 320, 326, 345, 368, 375, 400, 460, 480, 489, 500, 552, 575, 600, 625, 652, 690, 736, 750, 800, 815, 920, 960, 978, 1000, 1104, 1150, 1200, 1250, 1304, 1380, 1472, 1500, 1600, 1630, 1725, 1840, 1875, 1956, 2000, 2208, 2300, 2400, 2445, 2500, 2608, 2760, 2875, 3000, 3260, 3450, 3680, 3749, 3750, 3912, 4000, 4075, 4416, 4600, 4800, 4890, 5000, 5216, 5520, 5750, 6000, 6520, 6900, 7360, 7498, 7500, 7824, 8000, 8150, 8625, 9200, 9780, 10000, 10432, 11040, 11247, 11500, 12000, 12225, 13040, 13800, 14375, 14996, 15000, 15648, 16300, 17250, 18400, 18745, 19560, 20000, 20375, 22080, 22494, 23000, 24000, 24450, 26080, 27600, 28750, 29992, 30000, 31296, 32600, 34500, 36800, 37490, 39120, 40000, 40750, 43125, 44988, 46000, 48900, 52160, 55200, 56235, 57500, 59984, 60000, 61125, 65200, 69000, 74980, 78240, 81500, 86250, 89976, 92000, 93725, 97800, 101875, 110400, 112470, 115000, 119968, 120000, 122250, 130400, 138000, 149960, 156480, 163000, 172500, 179952, 184000, 187450, 195600, 203750, 224940, 230000, 239936, 244500, 260800, 276000, 281175, 299920, 305625, 326000, 345000, 359904, 374900, 391200, 407500, 449880, 460000, 468625, 489000, 552000, 562350, 599840, 611250, 652000, 690000, 719808, 749800, 782400, 815000, 899760, 920000, 937250, 978000, 1124700, 1199680, 1222500, 1304000, 1380000, 1405875, 1499600, 1630000, 1799520, 1874500, 1956000, 2249400, 2343125, 2445000, 2760000, 2811750, 2999200, 3260000, 3599040, 3749000, 3912000, 4498800, 4686250, 4890000, 5623500, 5998400, 6520000, 7029375, 7498000, 8997600, 9372500, 9780000, 11247000, 14058750, 14996000, 17995200, 18745000, 19560000, 22494000, 28117500, 29992000, 37490000, 44988000, 56235000, 74980000, 89976000, 112470000, 149960000, 224940000, 449880000]

約数ペア:

[(1, 449880000), (2, 224940000), (3, 149960000), (4, 112470000), (5, 89976000), (6, 74980000), (8, 56235000), (10, 44988000), (12, 37490000), (15, 29992000), (16, 28117500), (20, 22494000), (23, 19560000), (24, 18745000), (25, 17995200), (30, 14996000), (32, 14058750), (40, 11247000), (46, 9780000), (48, 9372500), (50, 8997600), (60, 7498000), (64, 7029375), (69, 6520000), (75, 5998400), (80, 5623500), (92, 4890000), (96, 4686250), (100, 4498800), (115, 3912000), (120, 3749000), (125, 3599040), (138, 3260000), (150, 2999200), (160, 2811750), (163, 2760000), (184, 2445000), (192, 2343125), (200, 2249400), (230, 1956000), (240, 1874500), (250, 1799520), (276, 1630000), (300, 1499600), (320, 1405875), (326, 1380000), (345, 1304000), (368, 1222500), (375, 1199680), (400, 1124700), (460, 978000), (480, 937250), (489, 920000), (500, 899760), (552, 815000), (575, 782400), (600, 749800), (625, 719808), (652, 690000), (690, 652000), (736, 611250), (750, 599840), (800, 562350), (815, 552000), (920, 489000), (960, 468625), (978, 460000), (1000, 449880), (1104, 407500), (1150, 391200), (1200, 374900), (1250, 359904), (1304, 345000), (1380, 326000), (1472, 305625), (1500, 299920), (1600, 281175), (1630, 276000), (1725, 260800), (1840, 244500), (1875, 239936), (1956, 230000), (2000, 224940), (2208, 203750), (2300, 195600), (2400, 187450), (2445, 184000), (2500, 179952), (2608, 172500), (2760, 163000), (2875, 156480), (3000, 149960), (3260, 138000), (3450, 130400), (3680, 122250), (3749, 120000), (3750, 119968), (3912, 115000), (4000, 112470), (4075, 110400), (4416, 101875), (4600, 97800), (4800, 93725), (4890, 92000), (5000, 89976), (5216, 86250), (5520, 81500), (5750, 78240), (6000, 74980), (6520, 69000), (6900, 65200), (7360, 61125), (7498, 60000), (7500, 59984), (7824, 57500), (8000, 56235), (8150, 55200), (8625, 52160), (9200, 48900), (9780, 46000), (10000, 44988), (10432, 43125), (11040, 40750), (11247, 40000), (11500, 39120), (12000, 37490), (12225, 36800), (13040, 34500), (13800, 32600), (14375, 31296), (14996, 30000), (15000, 29992), (15648, 28750), (16300, 27600), (17250, 26080), (18400, 24450), (18745, 24000), (19560, 23000), (20000, 22494), (20375, 22080)]