72537320

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 167270400

約数和(自身を除く): 94733080

約数列:

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

約数ペア:

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