67781560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{373}}^1$

素因数の和:461

約数の個数: 128

約数和(自身を含む): 193881600

約数和(自身を除く): 126100040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 59, 70, 77, 88, 110, 118, 140, 154, 220, 236, 280, 295, 308, 373, 385, 413, 440, 472, 590, 616, 649, 746, 770, 826, 1180, 1298, 1492, 1540, 1652, 1865, 2065, 2360, 2596, 2611, 2984, 3080, 3245, 3304, 3730, 4103, 4130, 4543, 5192, 5222, 6490, 7460, 8206, 8260, 9086, 10444, 12980, 13055, 14920, 16412, 16520, 18172, 20515, 20888, 22007, 22715, 25960, 26110, 28721, 32824, 36344, 41030, 44014, 45430, 52220, 57442, 82060, 88028, 90860, 104440, 110035, 114884, 143605, 154049, 164120, 176056, 181720, 220070, 229768, 242077, 287210, 308098, 440140, 484154, 574420, 616196, 770245, 880280, 968308, 1148840, 1210385, 1232392, 1540490, 1694539, 1936616, 2420770, 3080980, 3389078, 4841540, 6161960, 6778156, 8472695, 9683080, 13556312, 16945390, 33890780, 67781560]

約数ペア:

[(1, 67781560), (2, 33890780), (4, 16945390), (5, 13556312), (7, 9683080), (8, 8472695), (10, 6778156), (11, 6161960), (14, 4841540), (20, 3389078), (22, 3080980), (28, 2420770), (35, 1936616), (40, 1694539), (44, 1540490), (55, 1232392), (56, 1210385), (59, 1148840), (70, 968308), (77, 880280), (88, 770245), (110, 616196), (118, 574420), (140, 484154), (154, 440140), (220, 308098), (236, 287210), (280, 242077), (295, 229768), (308, 220070), (373, 181720), (385, 176056), (413, 164120), (440, 154049), (472, 143605), (590, 114884), (616, 110035), (649, 104440), (746, 90860), (770, 88028), (826, 82060), (1180, 57442), (1298, 52220), (1492, 45430), (1540, 44014), (1652, 41030), (1865, 36344), (2065, 32824), (2360, 28721), (2596, 26110), (2611, 25960), (2984, 22715), (3080, 22007), (3245, 20888), (3304, 20515), (3730, 18172), (4103, 16520), (4130, 16412), (4543, 14920), (5192, 13055), (5222, 12980), (6490, 10444), (7460, 9086), (8206, 8260)]