81876900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:458

約数の個数: 144

約数和(自身を含む): 273760256

約数和(自身を除く): 191883356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 127, 140, 150, 175, 210, 254, 300, 307, 350, 381, 420, 508, 525, 614, 635, 700, 762, 889, 921, 1050, 1228, 1270, 1524, 1535, 1778, 1842, 1905, 2100, 2149, 2540, 2667, 3070, 3175, 3556, 3684, 3810, 4298, 4445, 4605, 5334, 6140, 6350, 6447, 7620, 7675, 8596, 8890, 9210, 9525, 10668, 10745, 12700, 12894, 13335, 15350, 17780, 18420, 19050, 21490, 22225, 23025, 25788, 26670, 30700, 32235, 38100, 38989, 42980, 44450, 46050, 53340, 53725, 64470, 66675, 77978, 88900, 92100, 107450, 116967, 128940, 133350, 155956, 161175, 194945, 214900, 233934, 266700, 272923, 322350, 389890, 467868, 545846, 584835, 644700, 779780, 818769, 974725, 1091692, 1169670, 1364615, 1637538, 1949450, 2339340, 2729230, 2924175, 3275076, 3898900, 4093845, 5458460, 5848350, 6823075, 8187690, 11696700, 13646150, 16375380, 20469225, 27292300, 40938450, 81876900]

約数ペア:

[(1, 81876900), (2, 40938450), (3, 27292300), (4, 20469225), (5, 16375380), (6, 13646150), (7, 11696700), (10, 8187690), (12, 6823075), (14, 5848350), (15, 5458460), (20, 4093845), (21, 3898900), (25, 3275076), (28, 2924175), (30, 2729230), (35, 2339340), (42, 1949450), (50, 1637538), (60, 1364615), (70, 1169670), (75, 1091692), (84, 974725), (100, 818769), (105, 779780), (127, 644700), (140, 584835), (150, 545846), (175, 467868), (210, 389890), (254, 322350), (300, 272923), (307, 266700), (350, 233934), (381, 214900), (420, 194945), (508, 161175), (525, 155956), (614, 133350), (635, 128940), (700, 116967), (762, 107450), (889, 92100), (921, 88900), (1050, 77978), (1228, 66675), (1270, 64470), (1524, 53725), (1535, 53340), (1778, 46050), (1842, 44450), (1905, 42980), (2100, 38989), (2149, 38100), (2540, 32235), (2667, 30700), (3070, 26670), (3175, 25788), (3556, 23025), (3684, 22225), (3810, 21490), (4298, 19050), (4445, 18420), (4605, 17780), (5334, 15350), (6140, 13335), (6350, 12894), (6447, 12700), (7620, 10745), (7675, 10668), (8596, 9525), (8890, 9210)]