15976452020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{293}}^1\times {\mathrm{2837}}^1$

素因数の和:3201

約数の個数: 72

約数和(自身を含む): 34798318632

約数和(自身を除く): 18821866612

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 293, 310, 586, 620, 961, 1172, 1465, 1922, 2837, 2930, 3844, 4805, 5674, 5860, 9083, 9610, 11348, 14185, 18166, 19220, 28370, 36332, 45415, 56740, 87947, 90830, 175894, 181660, 281573, 351788, 439735, 563146, 831241, 879470, 1126292, 1407865, 1662482, 1758940, 2726357, 2815730, 3324964, 4156205, 5452714, 5631460, 8312410, 10905428, 13631785, 16624820, 25768471, 27263570, 51536942, 54527140, 103073884, 128842355, 257684710, 515369420, 798822601, 1597645202, 3195290404, 3994113005, 7988226010, 15976452020]

約数ペア:

[(1, 15976452020), (2, 7988226010), (4, 3994113005), (5, 3195290404), (10, 1597645202), (20, 798822601), (31, 515369420), (62, 257684710), (124, 128842355), (155, 103073884), (293, 54527140), (310, 51536942), (586, 27263570), (620, 25768471), (961, 16624820), (1172, 13631785), (1465, 10905428), (1922, 8312410), (2837, 5631460), (2930, 5452714), (3844, 4156205), (4805, 3324964), (5674, 2815730), (5860, 2726357), (9083, 1758940), (9610, 1662482), (11348, 1407865), (14185, 1126292), (18166, 879470), (19220, 831241), (28370, 563146), (36332, 439735), (45415, 351788), (56740, 281573), (87947, 181660), (90830, 175894)]