51201990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{27091}}^1$

素因数の和:27114

約数の個数: 64

約数和(自身を含む): 156049920

約数和(自身を除く): 104847930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 27091, 54182, 81273, 135455, 162546, 189637, 243819, 270910, 379274, 406365, 487638, 568911, 731457, 812730, 948185, 1137822, 1219095, 1462914, 1706733, 1896370, 2438190, 2844555, 3413466, 3657285, 5120199, 5689110, 7314570, 8533665, 10240398, 17067330, 25600995, 51201990]

約数ペア:

[(1, 51201990), (2, 25600995), (3, 17067330), (5, 10240398), (6, 8533665), (7, 7314570), (9, 5689110), (10, 5120199), (14, 3657285), (15, 3413466), (18, 2844555), (21, 2438190), (27, 1896370), (30, 1706733), (35, 1462914), (42, 1219095), (45, 1137822), (54, 948185), (63, 812730), (70, 731457), (90, 568911), (105, 487638), (126, 406365), (135, 379274), (189, 270910), (210, 243819), (270, 189637), (315, 162546), (378, 135455), (630, 81273), (945, 54182), (1890, 27091)]