15940160

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:583

約数の個数: 56

約数和(自身を含む): 38389560

約数和(自身を除く): 22449400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 457, 545, 872, 914, 1090, 1744, 1828, 2180, 2285, 3488, 3656, 4360, 4570, 6976, 7312, 8720, 9140, 14624, 17440, 18280, 29248, 34880, 36560, 49813, 73120, 99626, 146240, 199252, 249065, 398504, 498130, 797008, 996260, 1594016, 1992520, 3188032, 3985040, 7970080, 15940160]

約数ペア:

[(1, 15940160), (2, 7970080), (4, 3985040), (5, 3188032), (8, 1992520), (10, 1594016), (16, 996260), (20, 797008), (32, 498130), (40, 398504), (64, 249065), (80, 199252), (109, 146240), (160, 99626), (218, 73120), (320, 49813), (436, 36560), (457, 34880), (545, 29248), (872, 18280), (914, 17440), (1090, 14624), (1744, 9140), (1828, 8720), (2180, 7312), (2285, 6976), (3488, 4570), (3656, 4360)]