1356579440

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{1559}}^1$

素因数の和:1794

約数の個数: 80

約数和(自身を含む): 3220776000

約数和(自身を除く): 1864196560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 149, 292, 298, 365, 584, 596, 730, 745, 1168, 1192, 1460, 1490, 1559, 2384, 2920, 2980, 3118, 5840, 5960, 6236, 7795, 10877, 11920, 12472, 15590, 21754, 24944, 31180, 43508, 54385, 62360, 87016, 108770, 113807, 124720, 174032, 217540, 227614, 232291, 435080, 455228, 464582, 569035, 870160, 910456, 929164, 1138070, 1161455, 1820912, 1858328, 2276140, 2322910, 3716656, 4552280, 4645820, 9104560, 9291640, 16957243, 18583280, 33914486, 67828972, 84786215, 135657944, 169572430, 271315888, 339144860, 678289720, 1356579440]

約数ペア:

[(1, 1356579440), (2, 678289720), (4, 339144860), (5, 271315888), (8, 169572430), (10, 135657944), (16, 84786215), (20, 67828972), (40, 33914486), (73, 18583280), (80, 16957243), (146, 9291640), (149, 9104560), (292, 4645820), (298, 4552280), (365, 3716656), (584, 2322910), (596, 2276140), (730, 1858328), (745, 1820912), (1168, 1161455), (1192, 1138070), (1460, 929164), (1490, 910456), (1559, 870160), (2384, 569035), (2920, 464582), (2980, 455228), (3118, 435080), (5840, 232291), (5960, 227614), (6236, 217540), (7795, 174032), (10877, 124720), (11920, 113807), (12472, 108770), (15590, 87016), (21754, 62360), (24944, 54385), (31180, 43508)]