15398220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{947}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 43319808

約数和(自身を除く): 27921588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 271, 542, 813, 947, 1084, 1355, 1626, 1894, 2710, 2841, 3252, 3788, 4065, 4735, 5420, 5682, 8130, 9470, 11364, 14205, 16260, 18940, 28410, 56820, 256637, 513274, 769911, 1026548, 1283185, 1539822, 2566370, 3079644, 3849555, 5132740, 7699110, 15398220]

約数ペア:

[(1, 15398220), (2, 7699110), (3, 5132740), (4, 3849555), (5, 3079644), (6, 2566370), (10, 1539822), (12, 1283185), (15, 1026548), (20, 769911), (30, 513274), (60, 256637), (271, 56820), (542, 28410), (813, 18940), (947, 16260), (1084, 14205), (1355, 11364), (1626, 9470), (1894, 8130), (2710, 5682), (2841, 5420), (3252, 4735), (3788, 4065)]