1255873360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1123}}^1\times {\mathrm{1997}}^1$

素因数の和:3140

約数の個数: 80

約数和(自身を含む): 3341678976

約数和(自身を除く): 2085805616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1123, 1997, 2246, 3994, 4492, 5615, 7861, 7988, 8984, 9985, 11230, 13979, 15722, 15976, 17968, 19970, 22460, 27958, 31444, 31952, 39305, 39940, 44920, 55916, 62888, 69895, 78610, 79880, 89840, 111832, 125776, 139790, 157220, 159760, 223664, 279580, 314440, 559160, 628880, 1118320, 2242631, 4485262, 8970524, 11213155, 15698417, 17941048, 22426310, 31396834, 35882096, 44852620, 62793668, 78492085, 89705240, 125587336, 156984170, 179410480, 251174672, 313968340, 627936680, 1255873360]

約数ペア:

[(1, 1255873360), (2, 627936680), (4, 313968340), (5, 251174672), (7, 179410480), (8, 156984170), (10, 125587336), (14, 89705240), (16, 78492085), (20, 62793668), (28, 44852620), (35, 35882096), (40, 31396834), (56, 22426310), (70, 17941048), (80, 15698417), (112, 11213155), (140, 8970524), (280, 4485262), (560, 2242631), (1123, 1118320), (1997, 628880), (2246, 559160), (3994, 314440), (4492, 279580), (5615, 223664), (7861, 159760), (7988, 157220), (8984, 139790), (9985, 125776), (11230, 111832), (13979, 89840), (15722, 79880), (15976, 78610), (17968, 69895), (19970, 62888), (22460, 55916), (27958, 44920), (31444, 39940), (31952, 39305)]