79807720

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 184726080

約数和(自身を除く): 104918360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 97, 134, 194, 268, 307, 335, 388, 485, 536, 614, 670, 776, 970, 1228, 1340, 1535, 1940, 2456, 2680, 3070, 3880, 6140, 6499, 12280, 12998, 20569, 25996, 29779, 32495, 41138, 51992, 59558, 64990, 82276, 102845, 119116, 129980, 148895, 164552, 205690, 238232, 259960, 297790, 411380, 595580, 822760, 1191160, 1995193, 3990386, 7980772, 9975965, 15961544, 19951930, 39903860, 79807720]

約数ペア:

[(1, 79807720), (2, 39903860), (4, 19951930), (5, 15961544), (8, 9975965), (10, 7980772), (20, 3990386), (40, 1995193), (67, 1191160), (97, 822760), (134, 595580), (194, 411380), (268, 297790), (307, 259960), (335, 238232), (388, 205690), (485, 164552), (536, 148895), (614, 129980), (670, 119116), (776, 102845), (970, 82276), (1228, 64990), (1340, 59558), (1535, 51992), (1940, 41138), (2456, 32495), (2680, 29779), (3070, 25996), (3880, 20569), (6140, 12998), (6499, 12280)]