12891420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{23873}}^1$

素因数の和:23891

約数の個数: 48

約数和(自身を含む): 40108320

約数和(自身を除く): 27216900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 23873, 47746, 71619, 95492, 119365, 143238, 214857, 238730, 286476, 358095, 429714, 477460, 644571, 716190, 859428, 1074285, 1289142, 1432380, 2148570, 2578284, 3222855, 4297140, 6445710, 12891420]

約数ペア:

[(1, 12891420), (2, 6445710), (3, 4297140), (4, 3222855), (5, 2578284), (6, 2148570), (9, 1432380), (10, 1289142), (12, 1074285), (15, 859428), (18, 716190), (20, 644571), (27, 477460), (30, 429714), (36, 358095), (45, 286476), (54, 238730), (60, 214857), (90, 143238), (108, 119365), (135, 95492), (180, 71619), (270, 47746), (540, 23873)]