747264640

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{19141}}^1$

素因数の和:19221

約数の個数: 64

約数和(自身を含む): 1815810120

約数和(自身を除く): 1068545480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 3904, 4880, 7808, 9760, 19141, 19520, 38282, 39040, 76564, 95705, 153128, 191410, 306256, 382820, 612512, 765640, 1167601, 1225024, 1531280, 2335202, 2450048, 3062560, 4670404, 5838005, 6125120, 9340808, 11676010, 12250240, 18681616, 23352020, 37363232, 46704040, 74726464, 93408080, 149452928, 186816160, 373632320, 747264640]

約数ペア:

[(1, 747264640), (2, 373632320), (4, 186816160), (5, 149452928), (8, 93408080), (10, 74726464), (16, 46704040), (20, 37363232), (32, 23352020), (40, 18681616), (61, 12250240), (64, 11676010), (80, 9340808), (122, 6125120), (128, 5838005), (160, 4670404), (244, 3062560), (305, 2450048), (320, 2335202), (488, 1531280), (610, 1225024), (640, 1167601), (976, 765640), (1220, 612512), (1952, 382820), (2440, 306256), (3904, 191410), (4880, 153128), (7808, 95705), (9760, 76564), (19141, 39040), (19520, 38282)]