218481280

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:546

約数の個数: 128

約数和(自身を含む): 567103680

約数和(自身を除く): 348622400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 64, 68, 80, 85, 86, 128, 136, 160, 170, 172, 215, 272, 320, 340, 344, 430, 467, 544, 640, 680, 688, 731, 860, 934, 1088, 1360, 1376, 1462, 1720, 1868, 2176, 2335, 2720, 2752, 2924, 3440, 3655, 3736, 4670, 5440, 5504, 5848, 6880, 7310, 7472, 7939, 9340, 10880, 11696, 13760, 14620, 14944, 15878, 18680, 20081, 23392, 27520, 29240, 29888, 31756, 37360, 39695, 40162, 46784, 58480, 59776, 63512, 74720, 79390, 80324, 93568, 100405, 116960, 127024, 149440, 158780, 160648, 200810, 233920, 254048, 298880, 317560, 321296, 341377, 401620, 467840, 508096, 635120, 642592, 682754, 803240, 1016192, 1270240, 1285184, 1365508, 1606480, 1706885, 2540480, 2570368, 2731016, 3212960, 3413770, 5080960, 5462032, 6425920, 6827540, 10924064, 12851840, 13655080, 21848128, 27310160, 43696256, 54620320, 109240640, 218481280]

約数ペア:

[(1, 218481280), (2, 109240640), (4, 54620320), (5, 43696256), (8, 27310160), (10, 21848128), (16, 13655080), (17, 12851840), (20, 10924064), (32, 6827540), (34, 6425920), (40, 5462032), (43, 5080960), (64, 3413770), (68, 3212960), (80, 2731016), (85, 2570368), (86, 2540480), (128, 1706885), (136, 1606480), (160, 1365508), (170, 1285184), (172, 1270240), (215, 1016192), (272, 803240), (320, 682754), (340, 642592), (344, 635120), (430, 508096), (467, 467840), (544, 401620), (640, 341377), (680, 321296), (688, 317560), (731, 298880), (860, 254048), (934, 233920), (1088, 200810), (1360, 160648), (1376, 158780), (1462, 149440), (1720, 127024), (1868, 116960), (2176, 100405), (2335, 93568), (2720, 80324), (2752, 79390), (2924, 74720), (3440, 63512), (3655, 59776), (3736, 58480), (4670, 46784), (5440, 40162), (5504, 39695), (5848, 37360), (6880, 31756), (7310, 29888), (7472, 29240), (7939, 27520), (9340, 23392), (10880, 20081), (11696, 18680), (13760, 15878), (14620, 14944)]