15781140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1201}}^1$

素因数の和:1289

約数の個数: 72

約数和(自身を含む): 48565608

約数和(自身を除く): 32784468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 1095, 1201, 1314, 1460, 2190, 2402, 2628, 3285, 3603, 4380, 4804, 6005, 6570, 7206, 10809, 12010, 13140, 14412, 18015, 21618, 24020, 36030, 43236, 54045, 72060, 87673, 108090, 175346, 216180, 263019, 350692, 438365, 526038, 789057, 876730, 1052076, 1315095, 1578114, 1753460, 2630190, 3156228, 3945285, 5260380, 7890570, 15781140]

約数ペア:

[(1, 15781140), (2, 7890570), (3, 5260380), (4, 3945285), (5, 3156228), (6, 2630190), (9, 1753460), (10, 1578114), (12, 1315095), (15, 1052076), (18, 876730), (20, 789057), (30, 526038), (36, 438365), (45, 350692), (60, 263019), (73, 216180), (90, 175346), (146, 108090), (180, 87673), (219, 72060), (292, 54045), (365, 43236), (438, 36030), (657, 24020), (730, 21618), (876, 18015), (1095, 14412), (1201, 13140), (1314, 12010), (1460, 10809), (2190, 7206), (2402, 6570), (2628, 6005), (3285, 4804), (3603, 4380)]