77844280

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{503}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 181258560

約数和(自身を除く): 103414280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 73, 106, 146, 212, 265, 292, 365, 424, 503, 530, 584, 730, 1006, 1060, 1460, 2012, 2120, 2515, 2920, 3869, 4024, 5030, 7738, 10060, 15476, 19345, 20120, 26659, 30952, 36719, 38690, 53318, 73438, 77380, 106636, 133295, 146876, 154760, 183595, 213272, 266590, 293752, 367190, 533180, 734380, 1066360, 1468760, 1946107, 3892214, 7784428, 9730535, 15568856, 19461070, 38922140, 77844280]

約数ペア:

[(1, 77844280), (2, 38922140), (4, 19461070), (5, 15568856), (8, 9730535), (10, 7784428), (20, 3892214), (40, 1946107), (53, 1468760), (73, 1066360), (106, 734380), (146, 533180), (212, 367190), (265, 293752), (292, 266590), (365, 213272), (424, 183595), (503, 154760), (530, 146876), (584, 133295), (730, 106636), (1006, 77380), (1060, 73438), (1460, 53318), (2012, 38690), (2120, 36719), (2515, 30952), (2920, 26659), (3869, 20120), (4024, 19345), (5030, 15476), (7738, 10060)]