318254080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1019}}^1$

素因数の和:1105

約数の個数: 88

約数和(自身を含む): 776713680

約数和(自身を除く): 458459600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 512, 610, 640, 976, 1019, 1024, 1220, 1280, 1952, 2038, 2440, 2560, 3904, 4076, 4880, 5095, 5120, 7808, 8152, 9760, 10190, 15616, 16304, 19520, 20380, 31232, 32608, 39040, 40760, 62159, 62464, 65216, 78080, 81520, 124318, 130432, 156160, 163040, 248636, 260864, 310795, 312320, 326080, 497272, 521728, 621590, 652160, 994544, 1043456, 1243180, 1304320, 1989088, 2486360, 2608640, 3978176, 4972720, 5217280, 7956352, 9945440, 15912704, 19890880, 31825408, 39781760, 63650816, 79563520, 159127040, 318254080]

約数ペア:

[(1, 318254080), (2, 159127040), (4, 79563520), (5, 63650816), (8, 39781760), (10, 31825408), (16, 19890880), (20, 15912704), (32, 9945440), (40, 7956352), (61, 5217280), (64, 4972720), (80, 3978176), (122, 2608640), (128, 2486360), (160, 1989088), (244, 1304320), (256, 1243180), (305, 1043456), (320, 994544), (488, 652160), (512, 621590), (610, 521728), (640, 497272), (976, 326080), (1019, 312320), (1024, 310795), (1220, 260864), (1280, 248636), (1952, 163040), (2038, 156160), (2440, 130432), (2560, 124318), (3904, 81520), (4076, 78080), (4880, 65216), (5095, 62464), (5120, 62159), (7808, 40760), (8152, 39040), (9760, 32608), (10190, 31232), (15616, 20380), (16304, 19520)]