256982220

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:88

約数の個数: 432

約数和(自身を含む): 975985920

約数和(自身を除く): 719003700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 23, 27, 30, 33, 36, 38, 44, 45, 46, 54, 55, 57, 60, 66, 69, 76, 81, 90, 92, 95, 99, 108, 110, 114, 115, 121, 132, 135, 138, 162, 165, 171, 180, 190, 198, 207, 209, 220, 228, 230, 242, 243, 253, 270, 276, 285, 297, 324, 330, 342, 345, 363, 380, 396, 405, 414, 418, 437, 460, 484, 486, 495, 506, 513, 540, 570, 594, 605, 621, 627, 660, 684, 690, 726, 759, 810, 828, 836, 855, 874, 891, 972, 990, 1012, 1026, 1035, 1045, 1089, 1140, 1188, 1210, 1215, 1242, 1254, 1265, 1311, 1380, 1452, 1485, 1518, 1539, 1620, 1710, 1748, 1782, 1815, 1863, 1881, 1980, 2052, 2070, 2090, 2178, 2185, 2277, 2299, 2420, 2430, 2484, 2508, 2530, 2565, 2622, 2673, 2783, 2970, 3036, 3078, 3105, 3135, 3267, 3420, 3564, 3630, 3726, 3762, 3795, 3933, 4140, 4180, 4356, 4370, 4455, 4554, 4598, 4617, 4807, 4860, 5060, 5130, 5244, 5346, 5445, 5566, 5589, 5643, 5940, 6156, 6210, 6270, 6534, 6555, 6831, 6897, 7260, 7452, 7524, 7590, 7695, 7866, 8349, 8740, 8910, 9108, 9196, 9234, 9315, 9405, 9614, 9801, 10260, 10692, 10890, 11132, 11178, 11286, 11385, 11495, 11799, 12420, 12540, 13068, 13110, 13365, 13662, 13794, 13915, 14421, 15180, 15390, 15732, 16335, 16698, 16929, 17820, 18468, 18630, 18810, 19228, 19602, 19665, 20493, 20691, 21780, 22356, 22572, 22770, 22990, 23085, 23598, 24035, 25047, 26220, 26730, 27324, 27588, 27830, 27945, 28215, 28842, 29403, 30780, 32670, 33396, 33858, 34155, 34485, 35397, 37260, 37620, 39204, 39330, 40986, 41382, 41745, 43263, 45540, 45980, 46170, 47196, 48070, 49005, 50094, 50787, 52877, 53460, 55660, 55890, 56430, 57684, 58806, 58995, 61479, 62073, 65340, 67716, 68310, 68970, 70794, 72105, 75141, 78660, 81972, 82764, 83490, 84645, 86526, 92340, 96140, 98010, 100188, 101574, 102465, 103455, 105754, 106191, 111780, 112860, 117612, 117990, 122958, 124146, 125235, 129789, 136620, 137940, 141588, 144210, 147015, 150282, 158631, 166980, 169290, 173052, 176985, 186219, 196020, 203148, 204930, 206910, 211508, 212382, 216315, 225423, 235980, 245916, 248292, 250470, 253935, 259578, 264385, 288420, 294030, 300564, 307395, 310365, 317262, 338580, 353970, 372438, 375705, 389367, 409860, 413820, 424764, 432630, 450846, 475893, 500940, 507870, 519156, 528770, 530955, 558657, 588060, 614790, 620730, 634524, 648945, 676269, 707940, 744876, 751410, 778734, 793155, 865260, 901692, 931095, 951786, 1015740, 1057540, 1061910, 1117314, 1127115, 1168101, 1229580, 1241460, 1297890, 1352538, 1427679, 1502820, 1557468, 1586310, 1862190, 1903572, 1946835, 2123820, 2234628, 2254230, 2336202, 2379465, 2595780, 2705076, 2793285, 2855358, 3172620, 3381345, 3724380, 3893670, 4283037, 4508460, 4672404, 4758930, 5586570, 5710716, 5840505, 6762690, 7138395, 7787340, 8566074, 9517860, 11173140, 11681010, 12849111, 13525380, 14276790, 17132148, 21415185, 23362020, 25698222, 28553580, 42830370, 51396444, 64245555, 85660740, 128491110, 256982220]

約数ペア:

[(1, 256982220), (2, 128491110), (3, 85660740), (4, 64245555), (5, 51396444), (6, 42830370), (9, 28553580), (10, 25698222), (11, 23362020), (12, 21415185), (15, 17132148), (18, 14276790), (19, 13525380), (20, 12849111), (22, 11681010), (23, 11173140), (27, 9517860), (30, 8566074), (33, 7787340), (36, 7138395), (38, 6762690), (44, 5840505), (45, 5710716), (46, 5586570), (54, 4758930), (55, 4672404), (57, 4508460), (60, 4283037), (66, 3893670), (69, 3724380), (76, 3381345), (81, 3172620), (90, 2855358), (92, 2793285), (95, 2705076), (99, 2595780), (108, 2379465), (110, 2336202), (114, 2254230), (115, 2234628), (121, 2123820), (132, 1946835), (135, 1903572), (138, 1862190), (162, 1586310), (165, 1557468), (171, 1502820), (180, 1427679), (190, 1352538), (198, 1297890), (207, 1241460), (209, 1229580), (220, 1168101), (228, 1127115), (230, 1117314), (242, 1061910), (243, 1057540), (253, 1015740), (270, 951786), (276, 931095), (285, 901692), (297, 865260), (324, 793155), (330, 778734), (342, 751410), (345, 744876), (363, 707940), (380, 676269), (396, 648945), (405, 634524), (414, 620730), (418, 614790), (437, 588060), (460, 558657), (484, 530955), (486, 528770), (495, 519156), (506, 507870), (513, 500940), (540, 475893), (570, 450846), (594, 432630), (605, 424764), (621, 413820), (627, 409860), (660, 389367), (684, 375705), (690, 372438), (726, 353970), (759, 338580), (810, 317262), (828, 310365), (836, 307395), (855, 300564), (874, 294030), (891, 288420), (972, 264385), (990, 259578), (1012, 253935), (1026, 250470), (1035, 248292), (1045, 245916), (1089, 235980), (1140, 225423), (1188, 216315), (1210, 212382), (1215, 211508), (1242, 206910), (1254, 204930), (1265, 203148), (1311, 196020), (1380, 186219), (1452, 176985), (1485, 173052), (1518, 169290), (1539, 166980), (1620, 158631), (1710, 150282), (1748, 147015), (1782, 144210), (1815, 141588), (1863, 137940), (1881, 136620), (1980, 129789), (2052, 125235), (2070, 124146), (2090, 122958), (2178, 117990), (2185, 117612), (2277, 112860), (2299, 111780), (2420, 106191), (2430, 105754), (2484, 103455), (2508, 102465), (2530, 101574), (2565, 100188), (2622, 98010), (2673, 96140), (2783, 92340), (2970, 86526), (3036, 84645), (3078, 83490), (3105, 82764), (3135, 81972), (3267, 78660), (3420, 75141), (3564, 72105), (3630, 70794), (3726, 68970), (3762, 68310), (3795, 67716), (3933, 65340), (4140, 62073), (4180, 61479), (4356, 58995), (4370, 58806), (4455, 57684), (4554, 56430), (4598, 55890), (4617, 55660), (4807, 53460), (4860, 52877), (5060, 50787), (5130, 50094), (5244, 49005), (5346, 48070), (5445, 47196), (5566, 46170), (5589, 45980), (5643, 45540), (5940, 43263), (6156, 41745), (6210, 41382), (6270, 40986), (6534, 39330), (6555, 39204), (6831, 37620), (6897, 37260), (7260, 35397), (7452, 34485), (7524, 34155), (7590, 33858), (7695, 33396), (7866, 32670), (8349, 30780), (8740, 29403), (8910, 28842), (9108, 28215), (9196, 27945), (9234, 27830), (9315, 27588), (9405, 27324), (9614, 26730), (9801, 26220), (10260, 25047), (10692, 24035), (10890, 23598), (11132, 23085), (11178, 22990), (11286, 22770), (11385, 22572), (11495, 22356), (11799, 21780), (12420, 20691), (12540, 20493), (13068, 19665), (13110, 19602), (13365, 19228), (13662, 18810), (13794, 18630), (13915, 18468), (14421, 17820), (15180, 16929), (15390, 16698), (15732, 16335)]