164830760

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 379883520

約数和(自身を除く): 215052760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 127, 142, 254, 284, 355, 457, 508, 568, 635, 710, 914, 1016, 1270, 1420, 1828, 2285, 2540, 2840, 3656, 4570, 5080, 9017, 9140, 18034, 18280, 32447, 36068, 45085, 58039, 64894, 72136, 90170, 116078, 129788, 162235, 180340, 232156, 259576, 290195, 324470, 360680, 464312, 580390, 648940, 1160780, 1297880, 2321560, 4120769, 8241538, 16483076, 20603845, 32966152, 41207690, 82415380, 164830760]

約数ペア:

[(1, 164830760), (2, 82415380), (4, 41207690), (5, 32966152), (8, 20603845), (10, 16483076), (20, 8241538), (40, 4120769), (71, 2321560), (127, 1297880), (142, 1160780), (254, 648940), (284, 580390), (355, 464312), (457, 360680), (508, 324470), (568, 290195), (635, 259576), (710, 232156), (914, 180340), (1016, 162235), (1270, 129788), (1420, 116078), (1828, 90170), (2285, 72136), (2540, 64894), (2840, 58039), (3656, 45085), (4570, 36068), (5080, 32447), (9017, 18280), (9140, 18034)]