72477920

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6761}}^1$

素因数の和:6843

約数の個数: 48

約数和(自身を含む): 173810448

約数和(自身を除く): 101332528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1340, 2144, 2680, 5360, 6761, 10720, 13522, 27044, 33805, 54088, 67610, 108176, 135220, 216352, 270440, 452987, 540880, 905974, 1081760, 1811948, 2264935, 3623896, 4529870, 7247792, 9059740, 14495584, 18119480, 36238960, 72477920]

約数ペア:

[(1, 72477920), (2, 36238960), (4, 18119480), (5, 14495584), (8, 9059740), (10, 7247792), (16, 4529870), (20, 3623896), (32, 2264935), (40, 1811948), (67, 1081760), (80, 905974), (134, 540880), (160, 452987), (268, 270440), (335, 216352), (536, 135220), (670, 108176), (1072, 67610), (1340, 54088), (2144, 33805), (2680, 27044), (5360, 13522), (6761, 10720)]