72620960

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3313}}^1$

素因数の和:3465

約数の個数: 48

約数和(自身を含む): 172871496

約数和(自身を除く): 100250536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 2192, 2740, 3313, 4384, 5480, 6626, 10960, 13252, 16565, 21920, 26504, 33130, 53008, 66260, 106016, 132520, 265040, 453881, 530080, 907762, 1815524, 2269405, 3631048, 4538810, 7262096, 9077620, 14524192, 18155240, 36310480, 72620960]

約数ペア:

[(1, 72620960), (2, 36310480), (4, 18155240), (5, 14524192), (8, 9077620), (10, 7262096), (16, 4538810), (20, 3631048), (32, 2269405), (40, 1815524), (80, 907762), (137, 530080), (160, 453881), (274, 265040), (548, 132520), (685, 106016), (1096, 66260), (1370, 53008), (2192, 33130), (2740, 26504), (3313, 21920), (4384, 16565), (5480, 13252), (6626, 10960)]