82771020

素因数分解:

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

素因数の和:20031

約数の個数: 72

約数和(自身を含む): 262001376

約数和(自身を除く): 179230356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 19993, 39986, 59979, 79972, 99965, 119958, 179937, 199930, 239916, 299895, 359874, 399860, 459839, 599790, 719748, 899685, 919678, 1199580, 1379517, 1799370, 1839356, 2299195, 2759034, 3598740, 4138551, 4598390, 5518068, 6897585, 8277102, 9196780, 13795170, 16554204, 20692755, 27590340, 41385510, 82771020]

約数ペア:

[(1, 82771020), (2, 41385510), (3, 27590340), (4, 20692755), (5, 16554204), (6, 13795170), (9, 9196780), (10, 8277102), (12, 6897585), (15, 5518068), (18, 4598390), (20, 4138551), (23, 3598740), (30, 2759034), (36, 2299195), (45, 1839356), (46, 1799370), (60, 1379517), (69, 1199580), (90, 919678), (92, 899685), (115, 719748), (138, 599790), (180, 459839), (207, 399860), (230, 359874), (276, 299895), (345, 239916), (414, 199930), (460, 179937), (690, 119958), (828, 99965), (1035, 79972), (1380, 59979), (2070, 39986), (4140, 19993)]