79856000

素因数分解:

$2^7\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 256

約数和(自身を含む): 244408320

約数和(自身を除く): 164552320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 31, 32, 35, 40, 46, 50, 56, 62, 64, 70, 80, 92, 100, 112, 115, 124, 125, 128, 140, 155, 160, 161, 175, 184, 200, 217, 224, 230, 248, 250, 280, 310, 320, 322, 350, 368, 400, 434, 448, 460, 496, 500, 560, 575, 620, 640, 644, 700, 713, 736, 775, 800, 805, 868, 875, 896, 920, 992, 1000, 1085, 1120, 1150, 1240, 1288, 1400, 1426, 1472, 1550, 1600, 1610, 1736, 1750, 1840, 1984, 2000, 2170, 2240, 2300, 2480, 2576, 2800, 2852, 2875, 2944, 3100, 3200, 3220, 3472, 3500, 3565, 3680, 3875, 3968, 4000, 4025, 4340, 4480, 4600, 4960, 4991, 5152, 5425, 5600, 5704, 5750, 6200, 6440, 6944, 7000, 7130, 7360, 7750, 8000, 8050, 8680, 9200, 9920, 9982, 10304, 10850, 11200, 11408, 11500, 12400, 12880, 13888, 14000, 14260, 14720, 15500, 16000, 16100, 17360, 17825, 18400, 19840, 19964, 20125, 20608, 21700, 22400, 22816, 23000, 24800, 24955, 25760, 27125, 27776, 28000, 28520, 31000, 32200, 34720, 35650, 36800, 39928, 40250, 43400, 45632, 46000, 49600, 49910, 51520, 54250, 56000, 57040, 62000, 64400, 69440, 71300, 73600, 79856, 80500, 86800, 89125, 91264, 92000, 99200, 99820, 103040, 108500, 112000, 114080, 124000, 124775, 128800, 138880, 142600, 159712, 161000, 173600, 178250, 184000, 199640, 217000, 228160, 248000, 249550, 257600, 285200, 319424, 322000, 347200, 356500, 368000, 399280, 434000, 456320, 496000, 499100, 515200, 570400, 623875, 638848, 644000, 694400, 713000, 798560, 868000, 998200, 1140800, 1247750, 1288000, 1426000, 1597120, 1736000, 1996400, 2281600, 2495500, 2576000, 2852000, 3194240, 3472000, 3992800, 4991000, 5704000, 7985600, 9982000, 11408000, 15971200, 19964000, 39928000, 79856000]

約数ペア:

[(1, 79856000), (2, 39928000), (4, 19964000), (5, 15971200), (7, 11408000), (8, 9982000), (10, 7985600), (14, 5704000), (16, 4991000), (20, 3992800), (23, 3472000), (25, 3194240), (28, 2852000), (31, 2576000), (32, 2495500), (35, 2281600), (40, 1996400), (46, 1736000), (50, 1597120), (56, 1426000), (62, 1288000), (64, 1247750), (70, 1140800), (80, 998200), (92, 868000), (100, 798560), (112, 713000), (115, 694400), (124, 644000), (125, 638848), (128, 623875), (140, 570400), (155, 515200), (160, 499100), (161, 496000), (175, 456320), (184, 434000), (200, 399280), (217, 368000), (224, 356500), (230, 347200), (248, 322000), (250, 319424), (280, 285200), (310, 257600), (320, 249550), (322, 248000), (350, 228160), (368, 217000), (400, 199640), (434, 184000), (448, 178250), (460, 173600), (496, 161000), (500, 159712), (560, 142600), (575, 138880), (620, 128800), (640, 124775), (644, 124000), (700, 114080), (713, 112000), (736, 108500), (775, 103040), (800, 99820), (805, 99200), (868, 92000), (875, 91264), (896, 89125), (920, 86800), (992, 80500), (1000, 79856), (1085, 73600), (1120, 71300), (1150, 69440), (1240, 64400), (1288, 62000), (1400, 57040), (1426, 56000), (1472, 54250), (1550, 51520), (1600, 49910), (1610, 49600), (1736, 46000), (1750, 45632), (1840, 43400), (1984, 40250), (2000, 39928), (2170, 36800), (2240, 35650), (2300, 34720), (2480, 32200), (2576, 31000), (2800, 28520), (2852, 28000), (2875, 27776), (2944, 27125), (3100, 25760), (3200, 24955), (3220, 24800), (3472, 23000), (3500, 22816), (3565, 22400), (3680, 21700), (3875, 20608), (3968, 20125), (4000, 19964), (4025, 19840), (4340, 18400), (4480, 17825), (4600, 17360), (4960, 16100), (4991, 16000), (5152, 15500), (5425, 14720), (5600, 14260), (5704, 14000), (5750, 13888), (6200, 12880), (6440, 12400), (6944, 11500), (7000, 11408), (7130, 11200), (7360, 10850), (7750, 10304), (8000, 9982), (8050, 9920), (8680, 9200)]