261487600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{887}}^1$

素因数の和:983

約数の個数: 120

約数和(自身を含む): 696348288

約数和(自身を除く): 434860688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 67, 80, 88, 100, 110, 134, 176, 200, 220, 268, 275, 335, 400, 440, 536, 550, 670, 737, 880, 887, 1072, 1100, 1340, 1474, 1675, 1774, 2200, 2680, 2948, 3350, 3548, 3685, 4400, 4435, 5360, 5896, 6700, 7096, 7370, 8870, 9757, 11792, 13400, 14192, 14740, 17740, 18425, 19514, 22175, 26800, 29480, 35480, 36850, 39028, 44350, 48785, 58960, 59429, 70960, 73700, 78056, 88700, 97570, 118858, 147400, 156112, 177400, 195140, 237716, 243925, 294800, 297145, 354800, 390280, 475432, 487850, 594290, 653719, 780560, 950864, 975700, 1188580, 1307438, 1485725, 1951400, 2377160, 2614876, 2971450, 3268595, 3902800, 4754320, 5229752, 5942900, 6537190, 10459504, 11885800, 13074380, 16342975, 23771600, 26148760, 32685950, 52297520, 65371900, 130743800, 261487600]

約数ペア:

[(1, 261487600), (2, 130743800), (4, 65371900), (5, 52297520), (8, 32685950), (10, 26148760), (11, 23771600), (16, 16342975), (20, 13074380), (22, 11885800), (25, 10459504), (40, 6537190), (44, 5942900), (50, 5229752), (55, 4754320), (67, 3902800), (80, 3268595), (88, 2971450), (100, 2614876), (110, 2377160), (134, 1951400), (176, 1485725), (200, 1307438), (220, 1188580), (268, 975700), (275, 950864), (335, 780560), (400, 653719), (440, 594290), (536, 487850), (550, 475432), (670, 390280), (737, 354800), (880, 297145), (887, 294800), (1072, 243925), (1100, 237716), (1340, 195140), (1474, 177400), (1675, 156112), (1774, 147400), (2200, 118858), (2680, 97570), (2948, 88700), (3350, 78056), (3548, 73700), (3685, 70960), (4400, 59429), (4435, 58960), (5360, 48785), (5896, 44350), (6700, 39028), (7096, 36850), (7370, 35480), (8870, 29480), (9757, 26800), (11792, 22175), (13400, 19514), (14192, 18425), (14740, 17740)]