31132640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2$

素因数の和:78

約数の個数: 216

約数和(自身を含む): 98508312

約数和(自身を除く): 67375672

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 32, 35, 38, 40, 44, 49, 55, 56, 70, 76, 77, 80, 88, 95, 98, 110, 112, 133, 140, 152, 154, 160, 176, 190, 196, 209, 220, 224, 245, 266, 280, 304, 308, 352, 361, 380, 385, 392, 418, 440, 490, 532, 539, 560, 608, 616, 665, 722, 760, 770, 784, 836, 880, 931, 980, 1045, 1064, 1078, 1120, 1232, 1330, 1444, 1463, 1520, 1540, 1568, 1672, 1760, 1805, 1862, 1960, 2090, 2128, 2156, 2464, 2527, 2660, 2695, 2888, 2926, 3040, 3080, 3344, 3610, 3724, 3920, 3971, 4180, 4256, 4312, 4655, 5054, 5320, 5390, 5776, 5852, 6160, 6688, 7220, 7315, 7448, 7840, 7942, 8360, 8624, 9310, 10108, 10241, 10640, 10780, 11552, 11704, 12320, 12635, 14440, 14630, 14896, 15884, 16720, 17248, 17689, 18620, 19855, 20216, 20482, 21280, 21560, 23408, 25270, 27797, 28880, 29260, 29792, 31768, 33440, 35378, 37240, 39710, 40432, 40964, 43120, 46816, 50540, 51205, 55594, 57760, 58520, 63536, 70756, 74480, 79420, 80864, 81928, 86240, 88445, 101080, 102410, 111188, 117040, 127072, 138985, 141512, 148960, 158840, 163856, 176890, 194579, 202160, 204820, 222376, 234080, 277970, 283024, 317680, 327712, 353780, 389158, 404320, 409640, 444752, 555940, 566048, 635360, 707560, 778316, 819280, 889504, 972895, 1111880, 1415120, 1556632, 1638560, 1945790, 2223760, 2830240, 3113264, 3891580, 4447520, 6226528, 7783160, 15566320, 31132640]

約数ペア:

[(1, 31132640), (2, 15566320), (4, 7783160), (5, 6226528), (7, 4447520), (8, 3891580), (10, 3113264), (11, 2830240), (14, 2223760), (16, 1945790), (19, 1638560), (20, 1556632), (22, 1415120), (28, 1111880), (32, 972895), (35, 889504), (38, 819280), (40, 778316), (44, 707560), (49, 635360), (55, 566048), (56, 555940), (70, 444752), (76, 409640), (77, 404320), (80, 389158), (88, 353780), (95, 327712), (98, 317680), (110, 283024), (112, 277970), (133, 234080), (140, 222376), (152, 204820), (154, 202160), (160, 194579), (176, 176890), (190, 163856), (196, 158840), (209, 148960), (220, 141512), (224, 138985), (245, 127072), (266, 117040), (280, 111188), (304, 102410), (308, 101080), (352, 88445), (361, 86240), (380, 81928), (385, 80864), (392, 79420), (418, 74480), (440, 70756), (490, 63536), (532, 58520), (539, 57760), (560, 55594), (608, 51205), (616, 50540), (665, 46816), (722, 43120), (760, 40964), (770, 40432), (784, 39710), (836, 37240), (880, 35378), (931, 33440), (980, 31768), (1045, 29792), (1064, 29260), (1078, 28880), (1120, 27797), (1232, 25270), (1330, 23408), (1444, 21560), (1463, 21280), (1520, 20482), (1540, 20216), (1568, 19855), (1672, 18620), (1760, 17689), (1805, 17248), (1862, 16720), (1960, 15884), (2090, 14896), (2128, 14630), (2156, 14440), (2464, 12635), (2527, 12320), (2660, 11704), (2695, 11552), (2888, 10780), (2926, 10640), (3040, 10241), (3080, 10108), (3344, 9310), (3610, 8624), (3724, 8360), (3920, 7942), (3971, 7840), (4180, 7448), (4256, 7315), (4312, 7220), (4655, 6688), (5054, 6160), (5320, 5852), (5390, 5776)]