123133780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2161}}^1$

素因数の和:2225

約数の個数: 96

約数和(自身を含む): 331252992

約数和(自身を除く): 208119212

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 37, 44, 55, 70, 74, 77, 110, 140, 148, 154, 185, 220, 259, 308, 370, 385, 407, 518, 740, 770, 814, 1036, 1295, 1540, 1628, 2035, 2161, 2590, 2849, 4070, 4322, 5180, 5698, 8140, 8644, 10805, 11396, 14245, 15127, 21610, 23771, 28490, 30254, 43220, 47542, 56980, 60508, 75635, 79957, 95084, 118855, 151270, 159914, 166397, 237710, 302540, 319828, 332794, 399785, 475420, 559699, 665588, 799570, 831985, 879527, 1119398, 1599140, 1663970, 1759054, 2238796, 2798495, 3327940, 3518108, 4397635, 5596990, 6156689, 8795270, 11193980, 12313378, 17590540, 24626756, 30783445, 61566890, 123133780]

約数ペア:

[(1, 123133780), (2, 61566890), (4, 30783445), (5, 24626756), (7, 17590540), (10, 12313378), (11, 11193980), (14, 8795270), (20, 6156689), (22, 5596990), (28, 4397635), (35, 3518108), (37, 3327940), (44, 2798495), (55, 2238796), (70, 1759054), (74, 1663970), (77, 1599140), (110, 1119398), (140, 879527), (148, 831985), (154, 799570), (185, 665588), (220, 559699), (259, 475420), (308, 399785), (370, 332794), (385, 319828), (407, 302540), (518, 237710), (740, 166397), (770, 159914), (814, 151270), (1036, 118855), (1295, 95084), (1540, 79957), (1628, 75635), (2035, 60508), (2161, 56980), (2590, 47542), (2849, 43220), (4070, 30254), (4322, 28490), (5180, 23771), (5698, 21610), (8140, 15127), (8644, 14245), (10805, 11396)]