142545280

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3137}}^1$

素因数の和:3227

約数の個数: 64

約数和(自身を含む): 345682080

約数和(自身を除く): 203136800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 710, 1136, 1420, 2272, 2840, 3137, 4544, 5680, 6274, 9088, 11360, 12548, 15685, 22720, 25096, 31370, 45440, 50192, 62740, 100384, 125480, 200768, 222727, 250960, 401536, 445454, 501920, 890908, 1003840, 1113635, 1781816, 2007680, 2227270, 3563632, 4454540, 7127264, 8909080, 14254528, 17818160, 28509056, 35636320, 71272640, 142545280]

約数ペア:

[(1, 142545280), (2, 71272640), (4, 35636320), (5, 28509056), (8, 17818160), (10, 14254528), (16, 8909080), (20, 7127264), (32, 4454540), (40, 3563632), (64, 2227270), (71, 2007680), (80, 1781816), (128, 1113635), (142, 1003840), (160, 890908), (284, 501920), (320, 445454), (355, 401536), (568, 250960), (640, 222727), (710, 200768), (1136, 125480), (1420, 100384), (2272, 62740), (2840, 50192), (3137, 45440), (4544, 31370), (5680, 25096), (6274, 22720), (9088, 15685), (11360, 12548)]