61288760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2741}}^1$

素因数の和:2808

約数の個数: 64

約数和(自身を含む): 152016480

約数和(自身を除く): 90727720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2741, 2795, 4472, 5482, 5590, 10964, 11180, 13705, 21928, 22360, 27410, 35633, 54820, 71266, 109640, 117863, 142532, 178165, 235726, 285064, 356330, 471452, 589315, 712660, 942904, 1178630, 1425320, 1532219, 2357260, 3064438, 4714520, 6128876, 7661095, 12257752, 15322190, 30644380, 61288760]

約数ペア:

[(1, 61288760), (2, 30644380), (4, 15322190), (5, 12257752), (8, 7661095), (10, 6128876), (13, 4714520), (20, 3064438), (26, 2357260), (40, 1532219), (43, 1425320), (52, 1178630), (65, 942904), (86, 712660), (104, 589315), (130, 471452), (172, 356330), (215, 285064), (260, 235726), (344, 178165), (430, 142532), (520, 117863), (559, 109640), (860, 71266), (1118, 54820), (1720, 35633), (2236, 27410), (2741, 22360), (2795, 21928), (4472, 13705), (5482, 11180), (5590, 10964)]