64627585280

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{711131}}^1$

素因数の和:711223

約数の個数: 72

約数和(自身を含む): 156983811264

約数和(自身を除く): 92356225984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 568, 640, 710, 1136, 1280, 1420, 2272, 2840, 4544, 5680, 9088, 11360, 18176, 22720, 45440, 90880, 711131, 1422262, 2844524, 3555655, 5689048, 7111310, 11378096, 14222620, 22756192, 28445240, 45512384, 50490301, 56890480, 91024768, 100980602, 113780960, 182049536, 201961204, 227561920, 252451505, 403922408, 455123840, 504903010, 807844816, 910247680, 1009806020, 1615689632, 2019612040, 3231379264, 4039224080, 6462758528, 8078448160, 12925517056, 16156896320, 32313792640, 64627585280]

約数ペア:

[(1, 64627585280), (2, 32313792640), (4, 16156896320), (5, 12925517056), (8, 8078448160), (10, 6462758528), (16, 4039224080), (20, 3231379264), (32, 2019612040), (40, 1615689632), (64, 1009806020), (71, 910247680), (80, 807844816), (128, 504903010), (142, 455123840), (160, 403922408), (256, 252451505), (284, 227561920), (320, 201961204), (355, 182049536), (568, 113780960), (640, 100980602), (710, 91024768), (1136, 56890480), (1280, 50490301), (1420, 45512384), (2272, 28445240), (2840, 22756192), (4544, 14222620), (5680, 11378096), (9088, 7111310), (11360, 5689048), (18176, 3555655), (22720, 2844524), (45440, 1422262), (90880, 711131)]