2180285680

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{3739}}^1$

素因数の和:3986

約数の個数: 80

約数和(自身を含む): 5233995360

約数和(自身を除く): 3053709680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 197, 296, 370, 394, 592, 740, 788, 985, 1480, 1576, 1970, 2960, 3152, 3739, 3940, 7289, 7478, 7880, 14578, 14956, 15760, 18695, 29156, 29912, 36445, 37390, 58312, 59824, 72890, 74780, 116624, 138343, 145780, 149560, 276686, 291560, 299120, 553372, 583120, 691715, 736583, 1106744, 1383430, 1473166, 2213488, 2766860, 2946332, 3682915, 5533720, 5892664, 7365830, 11067440, 11785328, 14731660, 27253571, 29463320, 54507142, 58926640, 109014284, 136267855, 218028568, 272535710, 436057136, 545071420, 1090142840, 2180285680]

約数ペア:

[(1, 2180285680), (2, 1090142840), (4, 545071420), (5, 436057136), (8, 272535710), (10, 218028568), (16, 136267855), (20, 109014284), (37, 58926640), (40, 54507142), (74, 29463320), (80, 27253571), (148, 14731660), (185, 11785328), (197, 11067440), (296, 7365830), (370, 5892664), (394, 5533720), (592, 3682915), (740, 2946332), (788, 2766860), (985, 2213488), (1480, 1473166), (1576, 1383430), (1970, 1106744), (2960, 736583), (3152, 691715), (3739, 583120), (3940, 553372), (7289, 299120), (7478, 291560), (7880, 276686), (14578, 149560), (14956, 145780), (15760, 138343), (18695, 116624), (29156, 74780), (29912, 72890), (36445, 59824), (37390, 58312)]