66709720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{179}}^1$

素因数の和:230

約数の個数: 128

約数和(自身を含む): 189734400

約数和(自身を除く): 123024680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 121, 140, 154, 179, 220, 242, 280, 308, 358, 385, 440, 484, 605, 616, 716, 770, 847, 895, 968, 1210, 1253, 1331, 1432, 1540, 1694, 1790, 1969, 2420, 2506, 2662, 3080, 3388, 3580, 3938, 4235, 4840, 5012, 5324, 6265, 6655, 6776, 7160, 7876, 8470, 9317, 9845, 10024, 10648, 12530, 13310, 13783, 15752, 16940, 18634, 19690, 21659, 25060, 26620, 27566, 33880, 37268, 39380, 43318, 46585, 50120, 53240, 55132, 68915, 74536, 78760, 86636, 93170, 108295, 110264, 137830, 151613, 173272, 186340, 216590, 238249, 275660, 303226, 372680, 433180, 476498, 551320, 606452, 758065, 866360, 952996, 1191245, 1212904, 1516130, 1667743, 1905992, 2382490, 3032260, 3335486, 4764980, 6064520, 6670972, 8338715, 9529960, 13341944, 16677430, 33354860, 66709720]

約数ペア:

[(1, 66709720), (2, 33354860), (4, 16677430), (5, 13341944), (7, 9529960), (8, 8338715), (10, 6670972), (11, 6064520), (14, 4764980), (20, 3335486), (22, 3032260), (28, 2382490), (35, 1905992), (40, 1667743), (44, 1516130), (55, 1212904), (56, 1191245), (70, 952996), (77, 866360), (88, 758065), (110, 606452), (121, 551320), (140, 476498), (154, 433180), (179, 372680), (220, 303226), (242, 275660), (280, 238249), (308, 216590), (358, 186340), (385, 173272), (440, 151613), (484, 137830), (605, 110264), (616, 108295), (716, 93170), (770, 86636), (847, 78760), (895, 74536), (968, 68915), (1210, 55132), (1253, 53240), (1331, 50120), (1432, 46585), (1540, 43318), (1694, 39380), (1790, 37268), (1969, 33880), (2420, 27566), (2506, 26620), (2662, 25060), (3080, 21659), (3388, 19690), (3580, 18634), (3938, 16940), (4235, 15752), (4840, 13783), (5012, 13310), (5324, 12530), (6265, 10648), (6655, 10024), (6776, 9845), (7160, 9317), (7876, 8470)]