138526720

素因数分解:

$2^{14}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 353883600

約数和(自身を除く): 215356880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 89, 95, 128, 152, 160, 178, 190, 256, 304, 320, 356, 380, 445, 512, 608, 640, 712, 760, 890, 1024, 1216, 1280, 1424, 1520, 1691, 1780, 2048, 2432, 2560, 2848, 3040, 3382, 3560, 4096, 4864, 5120, 5696, 6080, 6764, 7120, 8192, 8455, 9728, 10240, 11392, 12160, 13528, 14240, 16384, 16910, 19456, 20480, 22784, 24320, 27056, 28480, 33820, 38912, 40960, 45568, 48640, 54112, 56960, 67640, 77824, 81920, 91136, 97280, 108224, 113920, 135280, 155648, 182272, 194560, 216448, 227840, 270560, 311296, 364544, 389120, 432896, 455680, 541120, 729088, 778240, 865792, 911360, 1082240, 1458176, 1556480, 1731584, 1822720, 2164480, 3463168, 3645440, 4328960, 6926336, 7290880, 8657920, 13852672, 17315840, 27705344, 34631680, 69263360, 138526720]

約数ペア:

[(1, 138526720), (2, 69263360), (4, 34631680), (5, 27705344), (8, 17315840), (10, 13852672), (16, 8657920), (19, 7290880), (20, 6926336), (32, 4328960), (38, 3645440), (40, 3463168), (64, 2164480), (76, 1822720), (80, 1731584), (89, 1556480), (95, 1458176), (128, 1082240), (152, 911360), (160, 865792), (178, 778240), (190, 729088), (256, 541120), (304, 455680), (320, 432896), (356, 389120), (380, 364544), (445, 311296), (512, 270560), (608, 227840), (640, 216448), (712, 194560), (760, 182272), (890, 155648), (1024, 135280), (1216, 113920), (1280, 108224), (1424, 97280), (1520, 91136), (1691, 81920), (1780, 77824), (2048, 67640), (2432, 56960), (2560, 54112), (2848, 48640), (3040, 45568), (3382, 40960), (3560, 38912), (4096, 33820), (4864, 28480), (5120, 27056), (5696, 24320), (6080, 22784), (6764, 20480), (7120, 19456), (8192, 16910), (8455, 16384), (9728, 14240), (10240, 13528), (11392, 12160)]