176139520

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 456809472

約数和(自身を除く): 280669952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 128, 155, 160, 184, 193, 230, 248, 256, 310, 320, 368, 386, 460, 496, 620, 640, 713, 736, 772, 920, 965, 992, 1240, 1280, 1426, 1472, 1544, 1840, 1930, 1984, 2480, 2852, 2944, 3088, 3565, 3680, 3860, 3968, 4439, 4960, 5704, 5888, 5983, 6176, 7130, 7360, 7720, 7936, 8878, 9920, 11408, 11966, 12352, 14260, 14720, 15440, 17756, 19840, 22195, 22816, 23932, 24704, 28520, 29440, 29915, 30880, 35512, 39680, 44390, 45632, 47864, 49408, 57040, 59830, 61760, 71024, 88780, 91264, 95728, 114080, 119660, 123520, 137609, 142048, 177560, 182528, 191456, 228160, 239320, 247040, 275218, 284096, 355120, 382912, 456320, 478640, 550436, 568192, 688045, 710240, 765824, 912640, 957280, 1100872, 1136384, 1376090, 1420480, 1531648, 1914560, 2201744, 2752180, 2840960, 3829120, 4403488, 5504360, 5681920, 7658240, 8806976, 11008720, 17613952, 22017440, 35227904, 44034880, 88069760, 176139520]

約数ペア:

[(1, 176139520), (2, 88069760), (4, 44034880), (5, 35227904), (8, 22017440), (10, 17613952), (16, 11008720), (20, 8806976), (23, 7658240), (31, 5681920), (32, 5504360), (40, 4403488), (46, 3829120), (62, 2840960), (64, 2752180), (80, 2201744), (92, 1914560), (115, 1531648), (124, 1420480), (128, 1376090), (155, 1136384), (160, 1100872), (184, 957280), (193, 912640), (230, 765824), (248, 710240), (256, 688045), (310, 568192), (320, 550436), (368, 478640), (386, 456320), (460, 382912), (496, 355120), (620, 284096), (640, 275218), (713, 247040), (736, 239320), (772, 228160), (920, 191456), (965, 182528), (992, 177560), (1240, 142048), (1280, 137609), (1426, 123520), (1472, 119660), (1544, 114080), (1840, 95728), (1930, 91264), (1984, 88780), (2480, 71024), (2852, 61760), (2944, 59830), (3088, 57040), (3565, 49408), (3680, 47864), (3860, 45632), (3968, 44390), (4439, 39680), (4960, 35512), (5704, 30880), (5888, 29915), (5983, 29440), (6176, 28520), (7130, 24704), (7360, 23932), (7720, 22816), (7936, 22195), (8878, 19840), (9920, 17756), (11408, 15440), (11966, 14720), (12352, 14260)]