80785350

素因数分解:

$2^1\times 3^5\times 5^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 144

約数和(自身を含む): 230870640

約数和(自身を除く): 150085290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 61, 75, 81, 90, 109, 122, 135, 150, 162, 183, 218, 225, 243, 270, 305, 327, 366, 405, 450, 486, 545, 549, 610, 654, 675, 810, 915, 981, 1090, 1098, 1215, 1350, 1525, 1635, 1647, 1830, 1962, 2025, 2430, 2725, 2745, 2943, 3050, 3270, 3294, 4050, 4575, 4905, 4941, 5450, 5490, 5886, 6075, 6649, 8175, 8235, 8829, 9150, 9810, 9882, 12150, 13298, 13725, 14715, 14823, 16350, 16470, 17658, 19947, 24525, 24705, 26487, 27450, 29430, 29646, 33245, 39894, 41175, 44145, 49050, 49410, 52974, 59841, 66490, 73575, 74115, 82350, 88290, 99735, 119682, 123525, 132435, 147150, 148230, 166225, 179523, 199470, 220725, 247050, 264870, 299205, 332450, 359046, 370575, 441450, 498675, 538569, 598410, 662175, 741150, 897615, 997350, 1077138, 1324350, 1496025, 1615707, 1795230, 2692845, 2992050, 3231414, 4488075, 5385690, 8078535, 8976150, 13464225, 16157070, 26928450, 40392675, 80785350]

約数ペア:

[(1, 80785350), (2, 40392675), (3, 26928450), (5, 16157070), (6, 13464225), (9, 8976150), (10, 8078535), (15, 5385690), (18, 4488075), (25, 3231414), (27, 2992050), (30, 2692845), (45, 1795230), (50, 1615707), (54, 1496025), (61, 1324350), (75, 1077138), (81, 997350), (90, 897615), (109, 741150), (122, 662175), (135, 598410), (150, 538569), (162, 498675), (183, 441450), (218, 370575), (225, 359046), (243, 332450), (270, 299205), (305, 264870), (327, 247050), (366, 220725), (405, 199470), (450, 179523), (486, 166225), (545, 148230), (549, 147150), (610, 132435), (654, 123525), (675, 119682), (810, 99735), (915, 88290), (981, 82350), (1090, 74115), (1098, 73575), (1215, 66490), (1350, 59841), (1525, 52974), (1635, 49410), (1647, 49050), (1830, 44145), (1962, 41175), (2025, 39894), (2430, 33245), (2725, 29646), (2745, 29430), (2943, 27450), (3050, 26487), (3270, 24705), (3294, 24525), (4050, 19947), (4575, 17658), (4905, 16470), (4941, 16350), (5450, 14823), (5490, 14715), (5886, 13725), (6075, 13298), (6649, 12150), (8175, 9882), (8235, 9810), (8829, 9150)]