90745275

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{617}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 157248864

約数和(自身を除く): 66503589

約数列:

[1, 3, 5, 15, 25, 37, 53, 75, 111, 159, 185, 265, 555, 617, 795, 925, 1325, 1851, 1961, 2775, 3085, 3975, 5883, 9255, 9805, 15425, 22829, 29415, 32701, 46275, 49025, 68487, 98103, 114145, 147075, 163505, 342435, 490515, 570725, 817525, 1209937, 1712175, 2452575, 3629811, 6049685, 18149055, 30248425, 90745275]

約数ペア:

[(1, 90745275), (3, 30248425), (5, 18149055), (15, 6049685), (25, 3629811), (37, 2452575), (53, 1712175), (75, 1209937), (111, 817525), (159, 570725), (185, 490515), (265, 342435), (555, 163505), (617, 147075), (795, 114145), (925, 98103), (1325, 68487), (1851, 49025), (1961, 46275), (2775, 32701), (3085, 29415), (3975, 22829), (5883, 15425), (9255, 9805)]