2912881120

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{167023}}^1$

素因数の和:167147

約数の個数: 48

約数和(自身を含む): 6944857920

約数和(自身を除く): 4031976800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 8720, 17440, 167023, 334046, 668092, 835115, 1336184, 1670230, 2672368, 3340460, 5344736, 6680920, 13361840, 18205507, 26723680, 36411014, 72822028, 91027535, 145644056, 182055070, 291288112, 364110140, 582576224, 728220280, 1456440560, 2912881120]

約数ペア:

[(1, 2912881120), (2, 1456440560), (4, 728220280), (5, 582576224), (8, 364110140), (10, 291288112), (16, 182055070), (20, 145644056), (32, 91027535), (40, 72822028), (80, 36411014), (109, 26723680), (160, 18205507), (218, 13361840), (436, 6680920), (545, 5344736), (872, 3340460), (1090, 2672368), (1744, 1670230), (2180, 1336184), (3488, 835115), (4360, 668092), (8720, 334046), (17440, 167023)]