215016320

素因数分解:

$2^7\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2417}}^1$

素因数の和:2575

約数の個数: 64

約数和(自身を含む): 517935600

約数和(自身を除く): 302919280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 278, 320, 556, 640, 695, 1112, 1390, 2224, 2417, 2780, 4448, 4834, 5560, 8896, 9668, 11120, 12085, 17792, 19336, 22240, 24170, 38672, 44480, 48340, 77344, 88960, 96680, 154688, 193360, 309376, 335963, 386720, 671926, 773440, 1343852, 1546880, 1679815, 2687704, 3359630, 5375408, 6719260, 10750816, 13438520, 21501632, 26877040, 43003264, 53754080, 107508160, 215016320]

約数ペア:

[(1, 215016320), (2, 107508160), (4, 53754080), (5, 43003264), (8, 26877040), (10, 21501632), (16, 13438520), (20, 10750816), (32, 6719260), (40, 5375408), (64, 3359630), (80, 2687704), (128, 1679815), (139, 1546880), (160, 1343852), (278, 773440), (320, 671926), (556, 386720), (640, 335963), (695, 309376), (1112, 193360), (1390, 154688), (2224, 96680), (2417, 88960), (2780, 77344), (4448, 48340), (4834, 44480), (5560, 38672), (8896, 24170), (9668, 22240), (11120, 19336), (12085, 17792)]