66788480

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:262

約数の個数: 128

約数和(自身を含む): 178459200

約数和(自身を除く): 111670720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 53, 55, 64, 80, 88, 106, 110, 128, 160, 176, 179, 212, 220, 265, 320, 352, 358, 424, 440, 530, 583, 640, 704, 716, 848, 880, 895, 1060, 1166, 1408, 1432, 1696, 1760, 1790, 1969, 2120, 2332, 2864, 2915, 3392, 3520, 3580, 3938, 4240, 4664, 5728, 5830, 6784, 7040, 7160, 7876, 8480, 9328, 9487, 9845, 11456, 11660, 14320, 15752, 16960, 18656, 18974, 19690, 22912, 23320, 28640, 31504, 33920, 37312, 37948, 39380, 46640, 47435, 57280, 63008, 74624, 75896, 78760, 93280, 94870, 104357, 114560, 126016, 151792, 157520, 186560, 189740, 208714, 252032, 303584, 315040, 373120, 379480, 417428, 521785, 607168, 630080, 758960, 834856, 1043570, 1214336, 1260160, 1517920, 1669712, 2087140, 3035840, 3339424, 4174280, 6071680, 6678848, 8348560, 13357696, 16697120, 33394240, 66788480]

約数ペア:

[(1, 66788480), (2, 33394240), (4, 16697120), (5, 13357696), (8, 8348560), (10, 6678848), (11, 6071680), (16, 4174280), (20, 3339424), (22, 3035840), (32, 2087140), (40, 1669712), (44, 1517920), (53, 1260160), (55, 1214336), (64, 1043570), (80, 834856), (88, 758960), (106, 630080), (110, 607168), (128, 521785), (160, 417428), (176, 379480), (179, 373120), (212, 315040), (220, 303584), (265, 252032), (320, 208714), (352, 189740), (358, 186560), (424, 157520), (440, 151792), (530, 126016), (583, 114560), (640, 104357), (704, 94870), (716, 93280), (848, 78760), (880, 75896), (895, 74624), (1060, 63008), (1166, 57280), (1408, 47435), (1432, 46640), (1696, 39380), (1760, 37948), (1790, 37312), (1969, 33920), (2120, 31504), (2332, 28640), (2864, 23320), (2915, 22912), (3392, 19690), (3520, 18974), (3580, 18656), (3938, 16960), (4240, 15752), (4664, 14320), (5728, 11660), (5830, 11456), (6784, 9845), (7040, 9487), (7160, 9328), (7876, 8480)]