221432960

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:363

約数の個数: 192

約数和(自身を含む): 644656320

約数和(自身を除く): 423223360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 80, 92, 98, 112, 115, 128, 140, 160, 161, 184, 196, 224, 230, 245, 280, 307, 320, 322, 368, 392, 448, 460, 490, 560, 614, 640, 644, 736, 784, 805, 896, 920, 980, 1120, 1127, 1228, 1288, 1472, 1535, 1568, 1610, 1840, 1960, 2149, 2240, 2254, 2456, 2576, 2944, 3070, 3136, 3220, 3680, 3920, 4298, 4480, 4508, 4912, 5152, 5635, 6140, 6272, 6440, 7061, 7360, 7840, 8596, 9016, 9824, 10304, 10745, 11270, 12280, 12880, 14122, 14720, 15043, 15680, 17192, 18032, 19648, 20608, 21490, 22540, 24560, 25760, 28244, 30086, 31360, 34384, 35305, 36064, 39296, 42980, 45080, 49120, 49427, 51520, 56488, 60172, 68768, 70610, 72128, 75215, 85960, 90160, 98240, 98854, 103040, 112976, 120344, 137536, 141220, 144256, 150430, 171920, 180320, 196480, 197708, 225952, 240688, 247135, 275072, 282440, 300860, 343840, 345989, 360640, 395416, 451904, 481376, 494270, 564880, 601720, 687680, 691978, 721280, 790832, 903808, 962752, 988540, 1129760, 1203440, 1375360, 1383956, 1581664, 1729945, 1925504, 1977080, 2259520, 2406880, 2767912, 3163328, 3459890, 3954160, 4519040, 4813760, 5535824, 6326656, 6919780, 7908320, 9627520, 11071648, 13839560, 15816640, 22143296, 27679120, 31633280, 44286592, 55358240, 110716480, 221432960]

約数ペア:

[(1, 221432960), (2, 110716480), (4, 55358240), (5, 44286592), (7, 31633280), (8, 27679120), (10, 22143296), (14, 15816640), (16, 13839560), (20, 11071648), (23, 9627520), (28, 7908320), (32, 6919780), (35, 6326656), (40, 5535824), (46, 4813760), (49, 4519040), (56, 3954160), (64, 3459890), (70, 3163328), (80, 2767912), (92, 2406880), (98, 2259520), (112, 1977080), (115, 1925504), (128, 1729945), (140, 1581664), (160, 1383956), (161, 1375360), (184, 1203440), (196, 1129760), (224, 988540), (230, 962752), (245, 903808), (280, 790832), (307, 721280), (320, 691978), (322, 687680), (368, 601720), (392, 564880), (448, 494270), (460, 481376), (490, 451904), (560, 395416), (614, 360640), (640, 345989), (644, 343840), (736, 300860), (784, 282440), (805, 275072), (896, 247135), (920, 240688), (980, 225952), (1120, 197708), (1127, 196480), (1228, 180320), (1288, 171920), (1472, 150430), (1535, 144256), (1568, 141220), (1610, 137536), (1840, 120344), (1960, 112976), (2149, 103040), (2240, 98854), (2254, 98240), (2456, 90160), (2576, 85960), (2944, 75215), (3070, 72128), (3136, 70610), (3220, 68768), (3680, 60172), (3920, 56488), (4298, 51520), (4480, 49427), (4508, 49120), (4912, 45080), (5152, 42980), (5635, 39296), (6140, 36064), (6272, 35305), (6440, 34384), (7061, 31360), (7360, 30086), (7840, 28244), (8596, 25760), (9016, 24560), (9824, 22540), (10304, 21490), (10745, 20608), (11270, 19648), (12280, 18032), (12880, 17192), (14122, 15680), (14720, 15043)]