55180680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19993}}^1$

素因数の和:20030

約数の個数: 64

約数和(自身を含む): 172748160

約数和(自身を除く): 117567480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 19993, 39986, 59979, 79972, 99965, 119958, 159944, 199930, 239916, 299895, 399860, 459839, 479832, 599790, 799720, 919678, 1199580, 1379517, 1839356, 2299195, 2399160, 2759034, 3678712, 4598390, 5518068, 6897585, 9196780, 11036136, 13795170, 18393560, 27590340, 55180680]

約数ペア:

[(1, 55180680), (2, 27590340), (3, 18393560), (4, 13795170), (5, 11036136), (6, 9196780), (8, 6897585), (10, 5518068), (12, 4598390), (15, 3678712), (20, 2759034), (23, 2399160), (24, 2299195), (30, 1839356), (40, 1379517), (46, 1199580), (60, 919678), (69, 799720), (92, 599790), (115, 479832), (120, 459839), (138, 399860), (184, 299895), (230, 239916), (276, 199930), (345, 159944), (460, 119958), (552, 99965), (690, 79972), (920, 59979), (1380, 39986), (2760, 19993)]