77525560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 209848320

約数和(自身を除く): 132322760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 47, 56, 70, 86, 94, 137, 140, 172, 188, 215, 235, 274, 280, 301, 329, 344, 376, 430, 470, 548, 602, 658, 685, 860, 940, 959, 1096, 1204, 1316, 1370, 1505, 1645, 1720, 1880, 1918, 2021, 2408, 2632, 2740, 3010, 3290, 3836, 4042, 4795, 5480, 5891, 6020, 6439, 6580, 7672, 8084, 9590, 10105, 11782, 12040, 12878, 13160, 14147, 16168, 19180, 20210, 23564, 25756, 28294, 29455, 32195, 38360, 40420, 41237, 45073, 47128, 51512, 56588, 58910, 64390, 70735, 80840, 82474, 90146, 113176, 117820, 128780, 141470, 164948, 180292, 206185, 225365, 235640, 257560, 276877, 282940, 329896, 360584, 412370, 450730, 553754, 565880, 824740, 901460, 1107508, 1384385, 1649480, 1802920, 1938139, 2215016, 2768770, 3876278, 5537540, 7752556, 9690695, 11075080, 15505112, 19381390, 38762780, 77525560]

約数ペア:

[(1, 77525560), (2, 38762780), (4, 19381390), (5, 15505112), (7, 11075080), (8, 9690695), (10, 7752556), (14, 5537540), (20, 3876278), (28, 2768770), (35, 2215016), (40, 1938139), (43, 1802920), (47, 1649480), (56, 1384385), (70, 1107508), (86, 901460), (94, 824740), (137, 565880), (140, 553754), (172, 450730), (188, 412370), (215, 360584), (235, 329896), (274, 282940), (280, 276877), (301, 257560), (329, 235640), (344, 225365), (376, 206185), (430, 180292), (470, 164948), (548, 141470), (602, 128780), (658, 117820), (685, 113176), (860, 90146), (940, 82474), (959, 80840), (1096, 70735), (1204, 64390), (1316, 58910), (1370, 56588), (1505, 51512), (1645, 47128), (1720, 45073), (1880, 41237), (1918, 40420), (2021, 38360), (2408, 32195), (2632, 29455), (2740, 28294), (3010, 25756), (3290, 23564), (3836, 20210), (4042, 19180), (4795, 16168), (5480, 14147), (5891, 13160), (6020, 12878), (6439, 12040), (6580, 11782), (7672, 10105), (8084, 9590)]