161821140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{207463}}^1$

素因数の和:207488

約数の個数: 48

約数和(自身を含む): 487955328

約数和(自身を除く): 326134188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 207463, 414926, 622389, 829852, 1037315, 1244778, 2074630, 2489556, 2697019, 3111945, 4149260, 5394038, 6223890, 8091057, 10788076, 12447780, 13485095, 16182114, 26970190, 32364228, 40455285, 53940380, 80910570, 161821140]

約数ペア:

[(1, 161821140), (2, 80910570), (3, 53940380), (4, 40455285), (5, 32364228), (6, 26970190), (10, 16182114), (12, 13485095), (13, 12447780), (15, 10788076), (20, 8091057), (26, 6223890), (30, 5394038), (39, 4149260), (52, 3111945), (60, 2697019), (65, 2489556), (78, 2074630), (130, 1244778), (156, 1037315), (195, 829852), (260, 622389), (390, 414926), (780, 207463)]