80455760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:421

約数の個数: 160

約数和(自身を含む): 240198912

約数和(自身を除く): 159743152

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 37, 40, 44, 55, 56, 70, 74, 77, 80, 88, 110, 112, 140, 148, 154, 176, 185, 220, 259, 280, 296, 308, 353, 370, 385, 407, 440, 518, 560, 592, 616, 706, 740, 770, 814, 880, 1036, 1232, 1295, 1412, 1480, 1540, 1628, 1765, 2035, 2072, 2471, 2590, 2824, 2849, 2960, 3080, 3256, 3530, 3883, 4070, 4144, 4942, 5180, 5648, 5698, 6160, 6512, 7060, 7766, 8140, 9884, 10360, 11396, 12355, 13061, 14120, 14245, 15532, 16280, 19415, 19768, 20720, 22792, 24710, 26122, 27181, 28240, 28490, 31064, 32560, 38830, 39536, 45584, 49420, 52244, 54362, 56980, 62128, 65305, 77660, 91427, 98840, 104488, 108724, 113960, 130610, 135905, 143671, 155320, 182854, 197680, 208976, 217448, 227920, 261220, 271810, 287342, 310640, 365708, 434896, 457135, 522440, 543620, 574684, 718355, 731416, 914270, 1005697, 1044880, 1087240, 1149368, 1436710, 1462832, 1828540, 2011394, 2174480, 2298736, 2873420, 3657080, 4022788, 5028485, 5746840, 7314160, 8045576, 10056970, 11493680, 16091152, 20113940, 40227880, 80455760]

約数ペア:

[(1, 80455760), (2, 40227880), (4, 20113940), (5, 16091152), (7, 11493680), (8, 10056970), (10, 8045576), (11, 7314160), (14, 5746840), (16, 5028485), (20, 4022788), (22, 3657080), (28, 2873420), (35, 2298736), (37, 2174480), (40, 2011394), (44, 1828540), (55, 1462832), (56, 1436710), (70, 1149368), (74, 1087240), (77, 1044880), (80, 1005697), (88, 914270), (110, 731416), (112, 718355), (140, 574684), (148, 543620), (154, 522440), (176, 457135), (185, 434896), (220, 365708), (259, 310640), (280, 287342), (296, 271810), (308, 261220), (353, 227920), (370, 217448), (385, 208976), (407, 197680), (440, 182854), (518, 155320), (560, 143671), (592, 135905), (616, 130610), (706, 113960), (740, 108724), (770, 104488), (814, 98840), (880, 91427), (1036, 77660), (1232, 65305), (1295, 62128), (1412, 56980), (1480, 54362), (1540, 52244), (1628, 49420), (1765, 45584), (2035, 39536), (2072, 38830), (2471, 32560), (2590, 31064), (2824, 28490), (2849, 28240), (2960, 27181), (3080, 26122), (3256, 24710), (3530, 22792), (3883, 20720), (4070, 19768), (4144, 19415), (4942, 16280), (5180, 15532), (5648, 14245), (5698, 14120), (6160, 13061), (6512, 12355), (7060, 11396), (7766, 10360), (8140, 9884)]