128752960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:504

約数の個数: 112

約数和(自身を含む): 353324160

約数和(自身を除く): 224571200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 229, 251, 280, 320, 448, 458, 502, 560, 916, 1004, 1120, 1145, 1255, 1603, 1757, 1832, 2008, 2240, 2290, 2510, 3206, 3514, 3664, 4016, 4580, 5020, 6412, 7028, 7328, 8015, 8032, 8785, 9160, 10040, 12824, 14056, 14656, 16030, 16064, 17570, 18320, 20080, 25648, 28112, 32060, 35140, 36640, 40160, 51296, 56224, 57479, 64120, 70280, 73280, 80320, 102592, 112448, 114958, 128240, 140560, 229916, 256480, 281120, 287395, 402353, 459832, 512960, 562240, 574790, 804706, 919664, 1149580, 1609412, 1839328, 2011765, 2299160, 3218824, 3678656, 4023530, 4598320, 6437648, 8047060, 9196640, 12875296, 16094120, 18393280, 25750592, 32188240, 64376480, 128752960]

約数ペア:

[(1, 128752960), (2, 64376480), (4, 32188240), (5, 25750592), (7, 18393280), (8, 16094120), (10, 12875296), (14, 9196640), (16, 8047060), (20, 6437648), (28, 4598320), (32, 4023530), (35, 3678656), (40, 3218824), (56, 2299160), (64, 2011765), (70, 1839328), (80, 1609412), (112, 1149580), (140, 919664), (160, 804706), (224, 574790), (229, 562240), (251, 512960), (280, 459832), (320, 402353), (448, 287395), (458, 281120), (502, 256480), (560, 229916), (916, 140560), (1004, 128240), (1120, 114958), (1145, 112448), (1255, 102592), (1603, 80320), (1757, 73280), (1832, 70280), (2008, 64120), (2240, 57479), (2290, 56224), (2510, 51296), (3206, 40160), (3514, 36640), (3664, 35140), (4016, 32060), (4580, 28112), (5020, 25648), (6412, 20080), (7028, 18320), (7328, 17570), (8015, 16064), (8032, 16030), (8785, 14656), (9160, 14056), (10040, 12824)]