122852720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:630

約数の個数: 80

約数和(自身を含む): 296980992

約数和(自身を除く): 174128272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 71, 80, 86, 142, 172, 215, 284, 344, 355, 430, 503, 568, 688, 710, 860, 1006, 1136, 1420, 1720, 2012, 2515, 2840, 3053, 3440, 4024, 5030, 5680, 6106, 8048, 10060, 12212, 15265, 20120, 21629, 24424, 30530, 35713, 40240, 43258, 48848, 61060, 71426, 86516, 108145, 122120, 142852, 173032, 178565, 216290, 244240, 285704, 346064, 357130, 432580, 571408, 714260, 865160, 1428520, 1535659, 1730320, 2857040, 3071318, 6142636, 7678295, 12285272, 15356590, 24570544, 30713180, 61426360, 122852720]

約数ペア:

[(1, 122852720), (2, 61426360), (4, 30713180), (5, 24570544), (8, 15356590), (10, 12285272), (16, 7678295), (20, 6142636), (40, 3071318), (43, 2857040), (71, 1730320), (80, 1535659), (86, 1428520), (142, 865160), (172, 714260), (215, 571408), (284, 432580), (344, 357130), (355, 346064), (430, 285704), (503, 244240), (568, 216290), (688, 178565), (710, 173032), (860, 142852), (1006, 122120), (1136, 108145), (1420, 86516), (1720, 71426), (2012, 61060), (2515, 48848), (2840, 43258), (3053, 40240), (3440, 35713), (4024, 30530), (5030, 24424), (5680, 21629), (6106, 20120), (8048, 15265), (10060, 12212)]