51821440

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1$

素因数の和:480

約数の個数: 128

約数和(自身を含む): 143428320

約数和(自身を除く): 91606880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 160, 170, 176, 187, 220, 272, 320, 340, 352, 374, 433, 440, 544, 640, 680, 704, 748, 866, 880, 935, 1088, 1360, 1408, 1496, 1732, 1760, 1870, 2165, 2176, 2720, 2992, 3464, 3520, 3740, 4330, 4763, 5440, 5984, 6928, 7040, 7361, 7480, 8660, 9526, 10880, 11968, 13856, 14722, 14960, 17320, 19052, 23815, 23936, 27712, 29444, 29920, 34640, 36805, 38104, 47630, 55424, 58888, 59840, 69280, 73610, 76208, 80971, 95260, 117776, 119680, 138560, 147220, 152416, 161942, 190520, 235552, 277120, 294440, 304832, 323884, 381040, 404855, 471104, 588880, 609664, 647768, 762080, 809710, 942208, 1177760, 1295536, 1524160, 1619420, 2355520, 2591072, 3048320, 3238840, 4711040, 5182144, 6477680, 10364288, 12955360, 25910720, 51821440]

約数ペア:

[(1, 51821440), (2, 25910720), (4, 12955360), (5, 10364288), (8, 6477680), (10, 5182144), (11, 4711040), (16, 3238840), (17, 3048320), (20, 2591072), (22, 2355520), (32, 1619420), (34, 1524160), (40, 1295536), (44, 1177760), (55, 942208), (64, 809710), (68, 762080), (80, 647768), (85, 609664), (88, 588880), (110, 471104), (128, 404855), (136, 381040), (160, 323884), (170, 304832), (176, 294440), (187, 277120), (220, 235552), (272, 190520), (320, 161942), (340, 152416), (352, 147220), (374, 138560), (433, 119680), (440, 117776), (544, 95260), (640, 80971), (680, 76208), (704, 73610), (748, 69280), (866, 59840), (880, 58888), (935, 55424), (1088, 47630), (1360, 38104), (1408, 36805), (1496, 34640), (1732, 29920), (1760, 29444), (1870, 27712), (2165, 23936), (2176, 23815), (2720, 19052), (2992, 17320), (3464, 14960), (3520, 14722), (3740, 13856), (4330, 11968), (4763, 10880), (5440, 9526), (5984, 8660), (6928, 7480), (7040, 7361)]