667441720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{28621}}^1$

素因数の和:28696

約数の個数: 64

約数和(自身を含む): 1669235040

約数和(自身を除く): 1001793320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 212, 220, 265, 424, 440, 530, 583, 1060, 1166, 2120, 2332, 2915, 4664, 5830, 11660, 23320, 28621, 57242, 114484, 143105, 228968, 286210, 314831, 572420, 629662, 1144840, 1259324, 1516913, 1574155, 2518648, 3033826, 3148310, 6067652, 6296620, 7584565, 12135304, 12593240, 15169130, 16686043, 30338260, 33372086, 60676520, 66744172, 83430215, 133488344, 166860430, 333720860, 667441720]

約数ペア:

[(1, 667441720), (2, 333720860), (4, 166860430), (5, 133488344), (8, 83430215), (10, 66744172), (11, 60676520), (20, 33372086), (22, 30338260), (40, 16686043), (44, 15169130), (53, 12593240), (55, 12135304), (88, 7584565), (106, 6296620), (110, 6067652), (212, 3148310), (220, 3033826), (265, 2518648), (424, 1574155), (440, 1516913), (530, 1259324), (583, 1144840), (1060, 629662), (1166, 572420), (2120, 314831), (2332, 286210), (2915, 228968), (4664, 143105), (5830, 114484), (11660, 57242), (23320, 28621)]