80360000

素因数分解:

$2^6\times 5^4\times 7^2\times {\mathrm{41}}^1$

素因数の和:87

約数の個数: 210

約数和(自身を含む): 237453678

約数和(自身を除く): 157093678

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 41, 49, 50, 56, 64, 70, 80, 82, 98, 100, 112, 125, 140, 160, 164, 175, 196, 200, 205, 224, 245, 250, 280, 287, 320, 328, 350, 392, 400, 410, 448, 490, 500, 560, 574, 625, 656, 700, 784, 800, 820, 875, 980, 1000, 1025, 1120, 1148, 1225, 1250, 1312, 1400, 1435, 1568, 1600, 1640, 1750, 1960, 2000, 2009, 2050, 2240, 2296, 2450, 2500, 2624, 2800, 2870, 3136, 3280, 3500, 3920, 4000, 4018, 4100, 4375, 4592, 4900, 5000, 5125, 5600, 5740, 6125, 6560, 7000, 7175, 7840, 8000, 8036, 8200, 8750, 9184, 9800, 10000, 10045, 10250, 11200, 11480, 12250, 13120, 14000, 14350, 15680, 16072, 16400, 17500, 18368, 19600, 20000, 20090, 20500, 22960, 24500, 25625, 28000, 28700, 30625, 32144, 32800, 35000, 35875, 39200, 40000, 40180, 41000, 45920, 49000, 50225, 51250, 56000, 57400, 61250, 64288, 65600, 70000, 71750, 78400, 80360, 82000, 91840, 98000, 100450, 102500, 114800, 122500, 128576, 140000, 143500, 160720, 164000, 179375, 196000, 200900, 205000, 229600, 245000, 251125, 280000, 287000, 321440, 328000, 358750, 392000, 401800, 410000, 459200, 490000, 502250, 574000, 642880, 717500, 803600, 820000, 980000, 1004500, 1148000, 1255625, 1435000, 1607200, 1640000, 1960000, 2009000, 2296000, 2511250, 2870000, 3214400, 4018000, 5022500, 5740000, 8036000, 10045000, 11480000, 16072000, 20090000, 40180000, 80360000]

約数ペア:

[(1, 80360000), (2, 40180000), (4, 20090000), (5, 16072000), (7, 11480000), (8, 10045000), (10, 8036000), (14, 5740000), (16, 5022500), (20, 4018000), (25, 3214400), (28, 2870000), (32, 2511250), (35, 2296000), (40, 2009000), (41, 1960000), (49, 1640000), (50, 1607200), (56, 1435000), (64, 1255625), (70, 1148000), (80, 1004500), (82, 980000), (98, 820000), (100, 803600), (112, 717500), (125, 642880), (140, 574000), (160, 502250), (164, 490000), (175, 459200), (196, 410000), (200, 401800), (205, 392000), (224, 358750), (245, 328000), (250, 321440), (280, 287000), (287, 280000), (320, 251125), (328, 245000), (350, 229600), (392, 205000), (400, 200900), (410, 196000), (448, 179375), (490, 164000), (500, 160720), (560, 143500), (574, 140000), (625, 128576), (656, 122500), (700, 114800), (784, 102500), (800, 100450), (820, 98000), (875, 91840), (980, 82000), (1000, 80360), (1025, 78400), (1120, 71750), (1148, 70000), (1225, 65600), (1250, 64288), (1312, 61250), (1400, 57400), (1435, 56000), (1568, 51250), (1600, 50225), (1640, 49000), (1750, 45920), (1960, 41000), (2000, 40180), (2009, 40000), (2050, 39200), (2240, 35875), (2296, 35000), (2450, 32800), (2500, 32144), (2624, 30625), (2800, 28700), (2870, 28000), (3136, 25625), (3280, 24500), (3500, 22960), (3920, 20500), (4000, 20090), (4018, 20000), (4100, 19600), (4375, 18368), (4592, 17500), (4900, 16400), (5000, 16072), (5125, 15680), (5600, 14350), (5740, 14000), (6125, 13120), (6560, 12250), (7000, 11480), (7175, 11200), (7840, 10250), (8000, 10045), (8036, 10000), (8200, 9800), (8750, 9184)]