1290963840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{672377}}^1$

素因数の和:672399

約数の個数: 64

約数和(自身を含む): 4114953360

約数和(自身を除く): 2823989520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 672377, 1344754, 2017131, 2689508, 3361885, 4034262, 5379016, 6723770, 8068524, 10085655, 10758032, 13447540, 16137048, 20171310, 21516064, 26895080, 32274096, 40342620, 43032128, 53790160, 64548192, 80685240, 86064256, 107580320, 129096384, 161370480, 215160640, 258192768, 322740960, 430321280, 645481920, 1290963840]

約数ペア:

[(1, 1290963840), (2, 645481920), (3, 430321280), (4, 322740960), (5, 258192768), (6, 215160640), (8, 161370480), (10, 129096384), (12, 107580320), (15, 86064256), (16, 80685240), (20, 64548192), (24, 53790160), (30, 43032128), (32, 40342620), (40, 32274096), (48, 26895080), (60, 21516064), (64, 20171310), (80, 16137048), (96, 13447540), (120, 10758032), (128, 10085655), (160, 8068524), (192, 6723770), (240, 5379016), (320, 4034262), (384, 3361885), (480, 2689508), (640, 2017131), (960, 1344754), (1920, 672377)]