680176720

素因数分解:

$2^4\times 5^1\times {\mathrm{503}}^1\times {\mathrm{16903}}^1$

素因数の和:17419

約数の個数: 40

約数和(自身を含む): 1584648576

約数和(自身を除く): 904471856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 503, 1006, 2012, 2515, 4024, 5030, 8048, 10060, 16903, 20120, 33806, 40240, 67612, 84515, 135224, 169030, 270448, 338060, 676120, 1352240, 8502209, 17004418, 34008836, 42511045, 68017672, 85022090, 136035344, 170044180, 340088360, 680176720]

約数ペア:

[(1, 680176720), (2, 340088360), (4, 170044180), (5, 136035344), (8, 85022090), (10, 68017672), (16, 42511045), (20, 34008836), (40, 17004418), (80, 8502209), (503, 1352240), (1006, 676120), (2012, 338060), (2515, 270448), (4024, 169030), (5030, 135224), (8048, 84515), (10060, 67612), (16903, 40240), (20120, 33806)]