1648690920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{389}}^1$

素因数の和:660

約数の個数: 192

約数和(自身を含む): 5488376400

約数和(自身を除く): 3839685480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 193, 244, 305, 360, 366, 386, 389, 488, 549, 579, 610, 732, 772, 778, 915, 965, 1098, 1158, 1167, 1220, 1464, 1544, 1556, 1737, 1830, 1930, 1945, 2196, 2316, 2334, 2440, 2745, 2895, 3112, 3474, 3501, 3660, 3860, 3890, 4392, 4632, 4668, 5490, 5790, 5835, 6948, 7002, 7320, 7720, 7780, 8685, 9336, 10980, 11580, 11670, 11773, 13896, 14004, 15560, 17370, 17505, 21960, 23160, 23340, 23546, 23729, 28008, 34740, 35010, 35319, 46680, 47092, 47458, 58865, 69480, 70020, 70638, 71187, 75077, 94184, 94916, 105957, 117730, 118645, 140040, 141276, 142374, 150154, 176595, 189832, 211914, 213561, 225231, 235460, 237290, 282552, 284748, 300308, 353190, 355935, 375385, 423828, 427122, 450462, 470920, 474580, 529785, 569496, 600616, 675693, 706380, 711870, 750770, 847656, 854244, 900924, 949160, 1059570, 1067805, 1126155, 1351386, 1412760, 1423740, 1501540, 1708488, 1801848, 2119140, 2135610, 2252310, 2702772, 2847480, 3003080, 3378465, 4238280, 4271220, 4504620, 4579697, 5405544, 6756930, 8542440, 9009240, 9159394, 13513860, 13739091, 18318788, 22898485, 27027720, 27478182, 36637576, 41217273, 45796970, 54956364, 68695455, 82434546, 91593940, 109912728, 137390910, 164869092, 183187880, 206086365, 274781820, 329738184, 412172730, 549563640, 824345460, 1648690920]

約数ペア:

[(1, 1648690920), (2, 824345460), (3, 549563640), (4, 412172730), (5, 329738184), (6, 274781820), (8, 206086365), (9, 183187880), (10, 164869092), (12, 137390910), (15, 109912728), (18, 91593940), (20, 82434546), (24, 68695455), (30, 54956364), (36, 45796970), (40, 41217273), (45, 36637576), (60, 27478182), (61, 27027720), (72, 22898485), (90, 18318788), (120, 13739091), (122, 13513860), (180, 9159394), (183, 9009240), (193, 8542440), (244, 6756930), (305, 5405544), (360, 4579697), (366, 4504620), (386, 4271220), (389, 4238280), (488, 3378465), (549, 3003080), (579, 2847480), (610, 2702772), (732, 2252310), (772, 2135610), (778, 2119140), (915, 1801848), (965, 1708488), (1098, 1501540), (1158, 1423740), (1167, 1412760), (1220, 1351386), (1464, 1126155), (1544, 1067805), (1556, 1059570), (1737, 949160), (1830, 900924), (1930, 854244), (1945, 847656), (2196, 750770), (2316, 711870), (2334, 706380), (2440, 675693), (2745, 600616), (2895, 569496), (3112, 529785), (3474, 474580), (3501, 470920), (3660, 450462), (3860, 427122), (3890, 423828), (4392, 375385), (4632, 355935), (4668, 353190), (5490, 300308), (5790, 284748), (5835, 282552), (6948, 237290), (7002, 235460), (7320, 225231), (7720, 213561), (7780, 211914), (8685, 189832), (9336, 176595), (10980, 150154), (11580, 142374), (11670, 141276), (11773, 140040), (13896, 118645), (14004, 117730), (15560, 105957), (17370, 94916), (17505, 94184), (21960, 75077), (23160, 71187), (23340, 70638), (23546, 70020), (23729, 69480), (28008, 58865), (34740, 47458), (35010, 47092), (35319, 46680)]