646676640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1879}}^1$

素因数の和:2139

約数の個数: 144

約数和(自身を含む): 2217196800

約数和(自身を除く): 1570520160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 239, 240, 288, 360, 478, 480, 717, 720, 956, 1195, 1434, 1440, 1879, 1912, 2151, 2390, 2868, 3585, 3758, 3824, 4302, 4780, 5637, 5736, 7170, 7516, 7648, 8604, 9395, 9560, 10755, 11274, 11472, 14340, 15032, 16911, 17208, 18790, 19120, 21510, 22548, 22944, 28185, 28680, 30064, 33822, 34416, 37580, 38240, 43020, 45096, 56370, 57360, 60128, 67644, 68832, 75160, 84555, 86040, 90192, 112740, 114720, 135288, 150320, 169110, 172080, 180384, 225480, 270576, 300640, 338220, 344160, 449081, 450960, 541152, 676440, 898162, 901920, 1347243, 1352880, 1796324, 2245405, 2694486, 2705760, 3592648, 4041729, 4490810, 5388972, 6736215, 7185296, 8083458, 8981620, 10777944, 13472430, 14370592, 16166916, 17963240, 20208645, 21555888, 26944860, 32333832, 35926480, 40417290, 43111776, 53889720, 64667664, 71852960, 80834580, 107779440, 129335328, 161669160, 215558880, 323338320, 646676640]

約数ペア:

[(1, 646676640), (2, 323338320), (3, 215558880), (4, 161669160), (5, 129335328), (6, 107779440), (8, 80834580), (9, 71852960), (10, 64667664), (12, 53889720), (15, 43111776), (16, 40417290), (18, 35926480), (20, 32333832), (24, 26944860), (30, 21555888), (32, 20208645), (36, 17963240), (40, 16166916), (45, 14370592), (48, 13472430), (60, 10777944), (72, 8981620), (80, 8083458), (90, 7185296), (96, 6736215), (120, 5388972), (144, 4490810), (160, 4041729), (180, 3592648), (239, 2705760), (240, 2694486), (288, 2245405), (360, 1796324), (478, 1352880), (480, 1347243), (717, 901920), (720, 898162), (956, 676440), (1195, 541152), (1434, 450960), (1440, 449081), (1879, 344160), (1912, 338220), (2151, 300640), (2390, 270576), (2868, 225480), (3585, 180384), (3758, 172080), (3824, 169110), (4302, 150320), (4780, 135288), (5637, 114720), (5736, 112740), (7170, 90192), (7516, 86040), (7648, 84555), (8604, 75160), (9395, 68832), (9560, 67644), (10755, 60128), (11274, 57360), (11472, 56370), (14340, 45096), (15032, 43020), (16911, 38240), (17208, 37580), (18790, 34416), (19120, 33822), (21510, 30064), (22548, 28680), (22944, 28185)]