72004240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11689}}^1$

素因数の和:11720

約数の個数: 80

約数和(自身を含む): 208736640

約数和(自身を除く): 136732400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 11689, 23378, 46756, 58445, 81823, 93512, 116890, 128579, 163646, 187024, 233780, 257158, 327292, 409115, 467560, 514316, 642895, 654584, 818230, 900053, 935120, 1028632, 1285790, 1309168, 1636460, 1800106, 2057264, 2571580, 3272920, 3600212, 4500265, 5143160, 6545840, 7200424, 9000530, 10286320, 14400848, 18001060, 36002120, 72004240]

約数ペア:

[(1, 72004240), (2, 36002120), (4, 18001060), (5, 14400848), (7, 10286320), (8, 9000530), (10, 7200424), (11, 6545840), (14, 5143160), (16, 4500265), (20, 3600212), (22, 3272920), (28, 2571580), (35, 2057264), (40, 1800106), (44, 1636460), (55, 1309168), (56, 1285790), (70, 1028632), (77, 935120), (80, 900053), (88, 818230), (110, 654584), (112, 642895), (140, 514316), (154, 467560), (176, 409115), (220, 327292), (280, 257158), (308, 233780), (385, 187024), (440, 163646), (560, 128579), (616, 116890), (770, 93512), (880, 81823), (1232, 58445), (1540, 46756), (3080, 23378), (6160, 11689)]