400839840

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:381

約数の個数: 240

約数和(自身を含む): 1430867592

約数和(自身を除く): 1030027752

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 157, 160, 162, 180, 197, 216, 240, 270, 288, 314, 324, 360, 394, 405, 432, 471, 480, 540, 591, 628, 648, 720, 785, 788, 810, 864, 942, 985, 1080, 1182, 1256, 1296, 1413, 1440, 1570, 1576, 1620, 1773, 1884, 1970, 2160, 2355, 2364, 2512, 2592, 2826, 2955, 3140, 3152, 3240, 3546, 3768, 3940, 4239, 4320, 4710, 4728, 5024, 5319, 5652, 5910, 6280, 6304, 6480, 7065, 7092, 7536, 7880, 8478, 8865, 9420, 9456, 10638, 11304, 11820, 12560, 12717, 12960, 14130, 14184, 15072, 15760, 15957, 16956, 17730, 18840, 18912, 21195, 21276, 22608, 23640, 25120, 25434, 26595, 28260, 28368, 30929, 31520, 31914, 33912, 35460, 37680, 42390, 42552, 45216, 47280, 50868, 53190, 56520, 56736, 61858, 63585, 63828, 67824, 70920, 75360, 79785, 84780, 85104, 92787, 94560, 101736, 106380, 113040, 123716, 127170, 127656, 135648, 141840, 154645, 159570, 169560, 170208, 185574, 203472, 212760, 226080, 247432, 254340, 255312, 278361, 283680, 309290, 319140, 339120, 371148, 406944, 425520, 463935, 494864, 508680, 510624, 556722, 618580, 638280, 678240, 742296, 835083, 851040, 927870, 989728, 1017360, 1113444, 1237160, 1276560, 1391805, 1484592, 1670166, 1855740, 2034720, 2226888, 2474320, 2505249, 2553120, 2783610, 2969184, 3340332, 3711480, 4175415, 4453776, 4948640, 5010498, 5567220, 6680664, 7422960, 8350830, 8907552, 10020996, 11134440, 12526245, 13361328, 14845920, 16701660, 20041992, 22268880, 25052490, 26722656, 33403320, 40083984, 44537760, 50104980, 66806640, 80167968, 100209960, 133613280, 200419920, 400839840]

約数ペア:

[(1, 400839840), (2, 200419920), (3, 133613280), (4, 100209960), (5, 80167968), (6, 66806640), (8, 50104980), (9, 44537760), (10, 40083984), (12, 33403320), (15, 26722656), (16, 25052490), (18, 22268880), (20, 20041992), (24, 16701660), (27, 14845920), (30, 13361328), (32, 12526245), (36, 11134440), (40, 10020996), (45, 8907552), (48, 8350830), (54, 7422960), (60, 6680664), (72, 5567220), (80, 5010498), (81, 4948640), (90, 4453776), (96, 4175415), (108, 3711480), (120, 3340332), (135, 2969184), (144, 2783610), (157, 2553120), (160, 2505249), (162, 2474320), (180, 2226888), (197, 2034720), (216, 1855740), (240, 1670166), (270, 1484592), (288, 1391805), (314, 1276560), (324, 1237160), (360, 1113444), (394, 1017360), (405, 989728), (432, 927870), (471, 851040), (480, 835083), (540, 742296), (591, 678240), (628, 638280), (648, 618580), (720, 556722), (785, 510624), (788, 508680), (810, 494864), (864, 463935), (942, 425520), (985, 406944), (1080, 371148), (1182, 339120), (1256, 319140), (1296, 309290), (1413, 283680), (1440, 278361), (1570, 255312), (1576, 254340), (1620, 247432), (1773, 226080), (1884, 212760), (1970, 203472), (2160, 185574), (2355, 170208), (2364, 169560), (2512, 159570), (2592, 154645), (2826, 141840), (2955, 135648), (3140, 127656), (3152, 127170), (3240, 123716), (3546, 113040), (3768, 106380), (3940, 101736), (4239, 94560), (4320, 92787), (4710, 85104), (4728, 84780), (5024, 79785), (5319, 75360), (5652, 70920), (5910, 67824), (6280, 63828), (6304, 63585), (6480, 61858), (7065, 56736), (7092, 56520), (7536, 53190), (7880, 50868), (8478, 47280), (8865, 45216), (9420, 42552), (9456, 42390), (10638, 37680), (11304, 35460), (11820, 33912), (12560, 31914), (12717, 31520), (12960, 30929), (14130, 28368), (14184, 28260), (15072, 26595), (15760, 25434), (15957, 25120), (16956, 23640), (17730, 22608), (18840, 21276), (18912, 21195)]