191567371280

素因数分解:

$2^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1637}}^1\times {\mathrm{2213}}^1$

素因数の和:4524

約数の個数: 80

約数和(自身を含む): 446542138224

約数和(自身を除く): 254974766944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661, 1322, 1637, 2213, 2644, 3274, 3305, 4426, 5288, 6548, 6610, 8185, 8852, 10576, 11065, 13096, 13220, 16370, 17704, 22130, 26192, 26440, 32740, 35408, 44260, 52880, 65480, 88520, 130960, 177040, 1082057, 1462793, 2164114, 2925586, 3622681, 4328228, 5410285, 5851172, 7245362, 7313965, 8656456, 10820570, 11702344, 14490724, 14627930, 17312912, 18113405, 21641140, 23404688, 28981448, 29255860, 36226810, 43282280, 57962896, 58511720, 72453620, 86564560, 117023440, 144907240, 289814480, 2394592141, 4789184282, 9578368564, 11972960705, 19156737128, 23945921410, 38313474256, 47891842820, 95783685640, 191567371280]

約数ペア:

[(1, 191567371280), (2, 95783685640), (4, 47891842820), (5, 38313474256), (8, 23945921410), (10, 19156737128), (16, 11972960705), (20, 9578368564), (40, 4789184282), (80, 2394592141), (661, 289814480), (1322, 144907240), (1637, 117023440), (2213, 86564560), (2644, 72453620), (3274, 58511720), (3305, 57962896), (4426, 43282280), (5288, 36226810), (6548, 29255860), (6610, 28981448), (8185, 23404688), (8852, 21641140), (10576, 18113405), (11065, 17312912), (13096, 14627930), (13220, 14490724), (16370, 11702344), (17704, 10820570), (22130, 8656456), (26192, 7313965), (26440, 7245362), (32740, 5851172), (35408, 5410285), (44260, 4328228), (52880, 3622681), (65480, 2925586), (88520, 2164114), (130960, 1462793), (177040, 1082057)]