2720619520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:398

約数の個数: 176

約数和(自身を含む): 6871631616

約数和(自身を除く): 4151012096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 122, 124, 128, 155, 160, 244, 248, 256, 281, 305, 310, 320, 488, 496, 512, 562, 610, 620, 640, 976, 992, 1024, 1124, 1220, 1240, 1280, 1405, 1891, 1952, 1984, 2248, 2440, 2480, 2560, 2810, 3782, 3904, 3968, 4496, 4880, 4960, 5120, 5620, 7564, 7808, 7936, 8711, 8992, 9455, 9760, 9920, 11240, 15128, 15616, 15872, 17141, 17422, 17984, 18910, 19520, 19840, 22480, 30256, 31232, 31744, 34282, 34844, 35968, 37820, 39040, 39680, 43555, 44960, 60512, 62464, 68564, 69688, 71936, 75640, 78080, 79360, 85705, 87110, 89920, 121024, 137128, 139376, 143872, 151280, 156160, 158720, 171410, 174220, 179840, 242048, 274256, 278752, 287744, 302560, 312320, 342820, 348440, 359680, 484096, 531371, 548512, 557504, 605120, 685640, 696880, 719360, 968192, 1062742, 1097024, 1115008, 1210240, 1371280, 1393760, 1438720, 1936384, 2125484, 2194048, 2230016, 2420480, 2656855, 2742560, 2787520, 4250968, 4388096, 4460032, 4840960, 5313710, 5485120, 5575040, 8501936, 8776192, 8920064, 9681920, 10627420, 10970240, 11150080, 17003872, 17552384, 21254840, 21940480, 22300160, 34007744, 42509680, 43880960, 44600320, 68015488, 85019360, 87761920, 136030976, 170038720, 272061952, 340077440, 544123904, 680154880, 1360309760, 2720619520]

約数ペア:

[(1, 2720619520), (2, 1360309760), (4, 680154880), (5, 544123904), (8, 340077440), (10, 272061952), (16, 170038720), (20, 136030976), (31, 87761920), (32, 85019360), (40, 68015488), (61, 44600320), (62, 43880960), (64, 42509680), (80, 34007744), (122, 22300160), (124, 21940480), (128, 21254840), (155, 17552384), (160, 17003872), (244, 11150080), (248, 10970240), (256, 10627420), (281, 9681920), (305, 8920064), (310, 8776192), (320, 8501936), (488, 5575040), (496, 5485120), (512, 5313710), (562, 4840960), (610, 4460032), (620, 4388096), (640, 4250968), (976, 2787520), (992, 2742560), (1024, 2656855), (1124, 2420480), (1220, 2230016), (1240, 2194048), (1280, 2125484), (1405, 1936384), (1891, 1438720), (1952, 1393760), (1984, 1371280), (2248, 1210240), (2440, 1115008), (2480, 1097024), (2560, 1062742), (2810, 968192), (3782, 719360), (3904, 696880), (3968, 685640), (4496, 605120), (4880, 557504), (4960, 548512), (5120, 531371), (5620, 484096), (7564, 359680), (7808, 348440), (7936, 342820), (8711, 312320), (8992, 302560), (9455, 287744), (9760, 278752), (9920, 274256), (11240, 242048), (15128, 179840), (15616, 174220), (15872, 171410), (17141, 158720), (17422, 156160), (17984, 151280), (18910, 143872), (19520, 139376), (19840, 137128), (22480, 121024), (30256, 89920), (31232, 87110), (31744, 85705), (34282, 79360), (34844, 78080), (35968, 75640), (37820, 71936), (39040, 69688), (39680, 68564), (43555, 62464), (44960, 60512)]