81177040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8527}}^1$

素因数の和:8564

約数の個数: 80

約数和(自身を含む): 228413952

約数和(自身を除く): 147236912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 8527, 9520, 17054, 34108, 42635, 59689, 68216, 85270, 119378, 136432, 144959, 170540, 238756, 289918, 298445, 341080, 477512, 579836, 596890, 682160, 724795, 955024, 1014713, 1159672, 1193780, 1449590, 2029426, 2319344, 2387560, 2899180, 4058852, 4775120, 5073565, 5798360, 8117704, 10147130, 11596720, 16235408, 20294260, 40588520, 81177040]

約数ペア:

[(1, 81177040), (2, 40588520), (4, 20294260), (5, 16235408), (7, 11596720), (8, 10147130), (10, 8117704), (14, 5798360), (16, 5073565), (17, 4775120), (20, 4058852), (28, 2899180), (34, 2387560), (35, 2319344), (40, 2029426), (56, 1449590), (68, 1193780), (70, 1159672), (80, 1014713), (85, 955024), (112, 724795), (119, 682160), (136, 596890), (140, 579836), (170, 477512), (238, 341080), (272, 298445), (280, 289918), (340, 238756), (476, 170540), (560, 144959), (595, 136432), (680, 119378), (952, 85270), (1190, 68216), (1360, 59689), (1904, 42635), (2380, 34108), (4760, 17054), (8527, 9520)]