128937960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{431}}^1$

素因数の和:728

約数の個数: 128

約数和(自身を含む): 432345600

約数和(自身を除く): 303407640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 277, 360, 431, 540, 554, 831, 862, 1080, 1108, 1293, 1385, 1662, 1724, 2155, 2216, 2493, 2586, 2770, 3324, 3448, 3879, 4155, 4310, 4986, 5172, 5540, 6465, 6648, 7479, 7758, 8310, 8620, 9972, 10344, 11080, 11637, 12465, 12930, 14958, 15516, 16620, 17240, 19395, 19944, 23274, 24930, 25860, 29916, 31032, 33240, 37395, 38790, 46548, 49860, 51720, 58185, 59832, 74790, 77580, 93096, 99720, 116370, 119387, 149580, 155160, 232740, 238774, 299160, 358161, 465480, 477548, 596935, 716322, 955096, 1074483, 1193870, 1432644, 1790805, 2148966, 2387740, 2865288, 3223449, 3581610, 4297932, 4775480, 5372415, 6446898, 7163220, 8595864, 10744830, 12893796, 14326440, 16117245, 21489660, 25787592, 32234490, 42979320, 64468980, 128937960]

約数ペア:

[(1, 128937960), (2, 64468980), (3, 42979320), (4, 32234490), (5, 25787592), (6, 21489660), (8, 16117245), (9, 14326440), (10, 12893796), (12, 10744830), (15, 8595864), (18, 7163220), (20, 6446898), (24, 5372415), (27, 4775480), (30, 4297932), (36, 3581610), (40, 3223449), (45, 2865288), (54, 2387740), (60, 2148966), (72, 1790805), (90, 1432644), (108, 1193870), (120, 1074483), (135, 955096), (180, 716322), (216, 596935), (270, 477548), (277, 465480), (360, 358161), (431, 299160), (540, 238774), (554, 232740), (831, 155160), (862, 149580), (1080, 119387), (1108, 116370), (1293, 99720), (1385, 93096), (1662, 77580), (1724, 74790), (2155, 59832), (2216, 58185), (2493, 51720), (2586, 49860), (2770, 46548), (3324, 38790), (3448, 37395), (3879, 33240), (4155, 31032), (4310, 29916), (4986, 25860), (5172, 24930), (5540, 23274), (6465, 19944), (6648, 19395), (7479, 17240), (7758, 16620), (8310, 15516), (8620, 14958), (9972, 12930), (10344, 12465), (11080, 11637)]