228657520

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:688

約数の個数: 160

約数和(自身を含む): 668707200

約数和(自身を除く): 440049680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 343, 364, 392, 455, 490, 520, 560, 637, 641, 686, 728, 784, 910, 980, 1040, 1274, 1282, 1372, 1456, 1715, 1820, 1960, 2548, 2564, 2744, 3185, 3205, 3430, 3640, 3920, 4459, 4487, 5096, 5128, 5488, 6370, 6410, 6860, 7280, 8333, 8918, 8974, 10192, 10256, 12740, 12820, 13720, 16666, 17836, 17948, 22295, 22435, 25480, 25640, 27440, 31409, 33332, 35672, 35896, 41665, 44590, 44870, 50960, 51280, 58331, 62818, 66664, 71344, 71792, 83330, 89180, 89740, 116662, 125636, 133328, 157045, 166660, 178360, 179480, 219863, 233324, 251272, 291655, 314090, 333320, 356720, 358960, 408317, 439726, 466648, 502544, 583310, 628180, 666640, 816634, 879452, 933296, 1099315, 1166620, 1256360, 1633268, 1758904, 2041585, 2198630, 2333240, 2512720, 2858219, 3266536, 3517808, 4083170, 4397260, 4666480, 5716438, 6533072, 8166340, 8794520, 11432876, 14291095, 16332680, 17589040, 22865752, 28582190, 32665360, 45731504, 57164380, 114328760, 228657520]

約数ペア:

[(1, 228657520), (2, 114328760), (4, 57164380), (5, 45731504), (7, 32665360), (8, 28582190), (10, 22865752), (13, 17589040), (14, 16332680), (16, 14291095), (20, 11432876), (26, 8794520), (28, 8166340), (35, 6533072), (40, 5716438), (49, 4666480), (52, 4397260), (56, 4083170), (65, 3517808), (70, 3266536), (80, 2858219), (91, 2512720), (98, 2333240), (104, 2198630), (112, 2041585), (130, 1758904), (140, 1633268), (182, 1256360), (196, 1166620), (208, 1099315), (245, 933296), (260, 879452), (280, 816634), (343, 666640), (364, 628180), (392, 583310), (455, 502544), (490, 466648), (520, 439726), (560, 408317), (637, 358960), (641, 356720), (686, 333320), (728, 314090), (784, 291655), (910, 251272), (980, 233324), (1040, 219863), (1274, 179480), (1282, 178360), (1372, 166660), (1456, 157045), (1715, 133328), (1820, 125636), (1960, 116662), (2548, 89740), (2564, 89180), (2744, 83330), (3185, 71792), (3205, 71344), (3430, 66664), (3640, 62818), (3920, 58331), (4459, 51280), (4487, 50960), (5096, 44870), (5128, 44590), (5488, 41665), (6370, 35896), (6410, 35672), (6860, 33332), (7280, 31409), (8333, 27440), (8918, 25640), (8974, 25480), (10192, 22435), (10256, 22295), (12740, 17948), (12820, 17836), (13720, 16666)]