2017826320

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1\times {\mathrm{1091}}^1$

素因数の和:1544

約数の個数: 80

約数和(自身を含む): 4785318720

約数和(自身を除く): 2767492400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 379, 488, 610, 758, 976, 1091, 1220, 1516, 1895, 2182, 2440, 3032, 3790, 4364, 4880, 5455, 6064, 7580, 8728, 10910, 15160, 17456, 21820, 23119, 30320, 43640, 46238, 66551, 87280, 92476, 115595, 133102, 184952, 231190, 266204, 332755, 369904, 413489, 462380, 532408, 665510, 826978, 924760, 1064816, 1331020, 1653956, 1849520, 2067445, 2662040, 3307912, 4134890, 5324080, 6615824, 8269780, 16539560, 25222829, 33079120, 50445658, 100891316, 126114145, 201782632, 252228290, 403565264, 504456580, 1008913160, 2017826320]

約数ペア:

[(1, 2017826320), (2, 1008913160), (4, 504456580), (5, 403565264), (8, 252228290), (10, 201782632), (16, 126114145), (20, 100891316), (40, 50445658), (61, 33079120), (80, 25222829), (122, 16539560), (244, 8269780), (305, 6615824), (379, 5324080), (488, 4134890), (610, 3307912), (758, 2662040), (976, 2067445), (1091, 1849520), (1220, 1653956), (1516, 1331020), (1895, 1064816), (2182, 924760), (2440, 826978), (3032, 665510), (3790, 532408), (4364, 462380), (4880, 413489), (5455, 369904), (6064, 332755), (7580, 266204), (8728, 231190), (10910, 184952), (15160, 133102), (17456, 115595), (21820, 92476), (23119, 87280), (30320, 66551), (43640, 46238)]