128317500

素因数分解:

$2^2\times 3^3\times 5^4\times {\mathrm{1901}}^1$

素因数の和:1934

約数の個数: 120

約数和(自身を含む): 415929360

約数和(自身を除く): 287611860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 125, 135, 150, 180, 225, 250, 270, 300, 375, 450, 500, 540, 625, 675, 750, 900, 1125, 1250, 1350, 1500, 1875, 1901, 2250, 2500, 2700, 3375, 3750, 3802, 4500, 5625, 5703, 6750, 7500, 7604, 9505, 11250, 11406, 13500, 16875, 17109, 19010, 22500, 22812, 28515, 33750, 34218, 38020, 47525, 51327, 57030, 67500, 68436, 85545, 95050, 102654, 114060, 142575, 171090, 190100, 205308, 237625, 256635, 285150, 342180, 427725, 475250, 513270, 570300, 712875, 855450, 950500, 1026540, 1188125, 1283175, 1425750, 1710900, 2138625, 2376250, 2566350, 2851500, 3564375, 4277250, 4752500, 5132700, 6415875, 7128750, 8554500, 10693125, 12831750, 14257500, 21386250, 25663500, 32079375, 42772500, 64158750, 128317500]

約数ペア:

[(1, 128317500), (2, 64158750), (3, 42772500), (4, 32079375), (5, 25663500), (6, 21386250), (9, 14257500), (10, 12831750), (12, 10693125), (15, 8554500), (18, 7128750), (20, 6415875), (25, 5132700), (27, 4752500), (30, 4277250), (36, 3564375), (45, 2851500), (50, 2566350), (54, 2376250), (60, 2138625), (75, 1710900), (90, 1425750), (100, 1283175), (108, 1188125), (125, 1026540), (135, 950500), (150, 855450), (180, 712875), (225, 570300), (250, 513270), (270, 475250), (300, 427725), (375, 342180), (450, 285150), (500, 256635), (540, 237625), (625, 205308), (675, 190100), (750, 171090), (900, 142575), (1125, 114060), (1250, 102654), (1350, 95050), (1500, 85545), (1875, 68436), (1901, 67500), (2250, 57030), (2500, 51327), (2700, 47525), (3375, 38020), (3750, 34218), (3802, 33750), (4500, 28515), (5625, 22812), (5703, 22500), (6750, 19010), (7500, 17109), (7604, 16875), (9505, 13500), (11250, 11406)]