72160640

素因数分解:

$2^7\times 5^1\times {\mathrm{137}}^1\times {\mathrm{823}}^1$

素因数の和:979

約数の個数: 64

約数和(自身を含む): 173979360

約数和(自身を除く): 101818720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 274, 320, 548, 640, 685, 823, 1096, 1370, 1646, 2192, 2740, 3292, 4115, 4384, 5480, 6584, 8230, 8768, 10960, 13168, 16460, 17536, 21920, 26336, 32920, 43840, 52672, 65840, 87680, 105344, 112751, 131680, 225502, 263360, 451004, 526720, 563755, 902008, 1127510, 1804016, 2255020, 3608032, 4510040, 7216064, 9020080, 14432128, 18040160, 36080320, 72160640]

約数ペア:

[(1, 72160640), (2, 36080320), (4, 18040160), (5, 14432128), (8, 9020080), (10, 7216064), (16, 4510040), (20, 3608032), (32, 2255020), (40, 1804016), (64, 1127510), (80, 902008), (128, 563755), (137, 526720), (160, 451004), (274, 263360), (320, 225502), (548, 131680), (640, 112751), (685, 105344), (823, 87680), (1096, 65840), (1370, 52672), (1646, 43840), (2192, 32920), (2740, 26336), (3292, 21920), (4115, 17536), (4384, 16460), (5480, 13168), (6584, 10960), (8230, 8768)]