817201280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2309}}^1$

素因数の和:2414

約数の個数: 128

約数和(自身を含む): 2261952000

約数和(自身を除く): 1444750720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 224, 280, 316, 320, 395, 448, 553, 560, 632, 640, 790, 896, 1106, 1120, 1264, 1580, 2212, 2240, 2309, 2528, 2765, 3160, 4424, 4480, 4618, 5056, 5530, 6320, 8848, 9236, 10112, 11060, 11545, 12640, 16163, 17696, 18472, 22120, 23090, 25280, 32326, 35392, 36944, 44240, 46180, 50560, 64652, 70784, 73888, 80815, 88480, 92360, 129304, 147776, 161630, 176960, 182411, 184720, 258608, 295552, 323260, 353920, 364822, 369440, 517216, 646520, 729644, 738880, 912055, 1034432, 1276877, 1293040, 1459288, 1477760, 1824110, 2068864, 2553754, 2586080, 2918576, 3648220, 5107508, 5172160, 5837152, 6384385, 7296440, 10215016, 10344320, 11674304, 12768770, 14592880, 20430032, 23348608, 25537540, 29185760, 40860064, 51075080, 58371520, 81720128, 102150160, 116743040, 163440256, 204300320, 408600640, 817201280]

約数ペア:

[(1, 817201280), (2, 408600640), (4, 204300320), (5, 163440256), (7, 116743040), (8, 102150160), (10, 81720128), (14, 58371520), (16, 51075080), (20, 40860064), (28, 29185760), (32, 25537540), (35, 23348608), (40, 20430032), (56, 14592880), (64, 12768770), (70, 11674304), (79, 10344320), (80, 10215016), (112, 7296440), (128, 6384385), (140, 5837152), (158, 5172160), (160, 5107508), (224, 3648220), (280, 2918576), (316, 2586080), (320, 2553754), (395, 2068864), (448, 1824110), (553, 1477760), (560, 1459288), (632, 1293040), (640, 1276877), (790, 1034432), (896, 912055), (1106, 738880), (1120, 729644), (1264, 646520), (1580, 517216), (2212, 369440), (2240, 364822), (2309, 353920), (2528, 323260), (2765, 295552), (3160, 258608), (4424, 184720), (4480, 182411), (4618, 176960), (5056, 161630), (5530, 147776), (6320, 129304), (8848, 92360), (9236, 88480), (10112, 80815), (11060, 73888), (11545, 70784), (12640, 64652), (16163, 50560), (17696, 46180), (18472, 44240), (22120, 36944), (23090, 35392), (25280, 32326)]