80911800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:670

約数の個数: 144

約数和(自身を含む): 275652000

約数和(自身を除く): 194740200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 79, 90, 100, 120, 150, 158, 180, 200, 225, 237, 300, 316, 360, 395, 450, 474, 569, 600, 632, 711, 790, 900, 948, 1138, 1185, 1422, 1580, 1707, 1800, 1896, 1975, 2276, 2370, 2844, 2845, 3160, 3414, 3555, 3950, 4552, 4740, 5121, 5688, 5690, 5925, 6828, 7110, 7900, 8535, 9480, 10242, 11380, 11850, 13656, 14220, 14225, 15800, 17070, 17775, 20484, 22760, 23700, 25605, 28440, 28450, 34140, 35550, 40968, 42675, 44951, 47400, 51210, 56900, 68280, 71100, 85350, 89902, 102420, 113800, 128025, 134853, 142200, 170700, 179804, 204840, 224755, 256050, 269706, 341400, 359608, 404559, 449510, 512100, 539412, 674265, 809118, 899020, 1024200, 1078824, 1123775, 1348530, 1618236, 1798040, 2022795, 2247550, 2697060, 3236472, 3371325, 4045590, 4495100, 5394120, 6742650, 8091180, 8990200, 10113975, 13485300, 16182360, 20227950, 26970600, 40455900, 80911800]

約数ペア:

[(1, 80911800), (2, 40455900), (3, 26970600), (4, 20227950), (5, 16182360), (6, 13485300), (8, 10113975), (9, 8990200), (10, 8091180), (12, 6742650), (15, 5394120), (18, 4495100), (20, 4045590), (24, 3371325), (25, 3236472), (30, 2697060), (36, 2247550), (40, 2022795), (45, 1798040), (50, 1618236), (60, 1348530), (72, 1123775), (75, 1078824), (79, 1024200), (90, 899020), (100, 809118), (120, 674265), (150, 539412), (158, 512100), (180, 449510), (200, 404559), (225, 359608), (237, 341400), (300, 269706), (316, 256050), (360, 224755), (395, 204840), (450, 179804), (474, 170700), (569, 142200), (600, 134853), (632, 128025), (711, 113800), (790, 102420), (900, 89902), (948, 85350), (1138, 71100), (1185, 68280), (1422, 56900), (1580, 51210), (1707, 47400), (1800, 44951), (1896, 42675), (1975, 40968), (2276, 35550), (2370, 34140), (2844, 28450), (2845, 28440), (3160, 25605), (3414, 23700), (3555, 22760), (3950, 20484), (4552, 17775), (4740, 17070), (5121, 15800), (5688, 14225), (5690, 14220), (5925, 13656), (6828, 11850), (7110, 11380), (7900, 10242), (8535, 9480)]