145074640

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 345692160

約数和(自身を除く): 200617520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 127, 131, 218, 254, 262, 436, 508, 524, 545, 635, 655, 872, 1016, 1048, 1090, 1270, 1310, 1744, 2032, 2096, 2180, 2540, 2620, 4360, 5080, 5240, 8720, 10160, 10480, 13843, 14279, 16637, 27686, 28558, 33274, 55372, 57116, 66548, 69215, 71395, 83185, 110744, 114232, 133096, 138430, 142790, 166370, 221488, 228464, 266192, 276860, 285580, 332740, 553720, 571160, 665480, 1107440, 1142320, 1330960, 1813433, 3626866, 7253732, 9067165, 14507464, 18134330, 29014928, 36268660, 72537320, 145074640]

約数ペア:

[(1, 145074640), (2, 72537320), (4, 36268660), (5, 29014928), (8, 18134330), (10, 14507464), (16, 9067165), (20, 7253732), (40, 3626866), (80, 1813433), (109, 1330960), (127, 1142320), (131, 1107440), (218, 665480), (254, 571160), (262, 553720), (436, 332740), (508, 285580), (524, 276860), (545, 266192), (635, 228464), (655, 221488), (872, 166370), (1016, 142790), (1048, 138430), (1090, 133096), (1270, 114232), (1310, 110744), (1744, 83185), (2032, 71395), (2096, 69215), (2180, 66548), (2540, 57116), (2620, 55372), (4360, 33274), (5080, 28558), (5240, 27686), (8720, 16637), (10160, 14279), (10480, 13843)]