618320

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 40

約数和(自身を含む): 1473120

約数和(自身を除く): 854800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 131, 236, 262, 295, 472, 524, 590, 655, 944, 1048, 1180, 1310, 2096, 2360, 2620, 4720, 5240, 7729, 10480, 15458, 30916, 38645, 61832, 77290, 123664, 154580, 309160, 618320]

約数ペア:

[(1, 618320), (2, 309160), (4, 154580), (5, 123664), (8, 77290), (10, 61832), (16, 38645), (20, 30916), (40, 15458), (59, 10480), (80, 7729), (118, 5240), (131, 4720), (236, 2620), (262, 2360), (295, 2096), (472, 1310), (524, 1180), (590, 1048), (655, 944)]