55137280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1$

素因数の和:136

約数の個数: 132

約数和(自身を含む): 147015540

約数和(自身を除く): 91878260

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 89, 110, 121, 128, 160, 176, 178, 220, 242, 256, 320, 352, 356, 440, 445, 484, 512, 605, 640, 704, 712, 880, 890, 968, 979, 1024, 1210, 1280, 1408, 1424, 1760, 1780, 1936, 1958, 2420, 2560, 2816, 2848, 3520, 3560, 3872, 3916, 4840, 4895, 5120, 5632, 5696, 7040, 7120, 7744, 7832, 9680, 9790, 10769, 11264, 11392, 14080, 14240, 15488, 15664, 19360, 19580, 21538, 22784, 28160, 28480, 30976, 31328, 38720, 39160, 43076, 45568, 53845, 56320, 56960, 61952, 62656, 77440, 78320, 86152, 91136, 107690, 113920, 123904, 125312, 154880, 156640, 172304, 215380, 227840, 250624, 309760, 313280, 344608, 430760, 455680, 501248, 619520, 626560, 689216, 861520, 1002496, 1253120, 1378432, 1723040, 2506240, 2756864, 3446080, 5012480, 5513728, 6892160, 11027456, 13784320, 27568640, 55137280]

約数ペア:

[(1, 55137280), (2, 27568640), (4, 13784320), (5, 11027456), (8, 6892160), (10, 5513728), (11, 5012480), (16, 3446080), (20, 2756864), (22, 2506240), (32, 1723040), (40, 1378432), (44, 1253120), (55, 1002496), (64, 861520), (80, 689216), (88, 626560), (89, 619520), (110, 501248), (121, 455680), (128, 430760), (160, 344608), (176, 313280), (178, 309760), (220, 250624), (242, 227840), (256, 215380), (320, 172304), (352, 156640), (356, 154880), (440, 125312), (445, 123904), (484, 113920), (512, 107690), (605, 91136), (640, 86152), (704, 78320), (712, 77440), (880, 62656), (890, 61952), (968, 56960), (979, 56320), (1024, 53845), (1210, 45568), (1280, 43076), (1408, 39160), (1424, 38720), (1760, 31328), (1780, 30976), (1936, 28480), (1958, 28160), (2420, 22784), (2560, 21538), (2816, 19580), (2848, 19360), (3520, 15664), (3560, 15488), (3872, 14240), (3916, 14080), (4840, 11392), (4895, 11264), (5120, 10769), (5632, 9790), (5696, 9680), (7040, 7832), (7120, 7744)]