128217870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1877}}^1$

素因数の和:1927

約数の個数: 128

約数和(自身を含む): 389422080

約数和(自身を除く): 261204210

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 23, 27, 30, 33, 45, 46, 54, 55, 66, 69, 90, 99, 110, 115, 135, 138, 165, 198, 207, 230, 253, 270, 297, 330, 345, 414, 495, 506, 594, 621, 690, 759, 990, 1035, 1242, 1265, 1485, 1518, 1877, 2070, 2277, 2530, 2970, 3105, 3754, 3795, 4554, 5631, 6210, 6831, 7590, 9385, 11262, 11385, 13662, 16893, 18770, 20647, 22770, 28155, 33786, 34155, 41294, 43171, 50679, 56310, 61941, 68310, 84465, 86342, 101358, 103235, 123882, 129513, 168930, 185823, 206470, 215855, 253395, 259026, 309705, 371646, 388539, 431710, 474881, 506790, 557469, 619410, 647565, 777078, 929115, 949762, 1114938, 1165617, 1295130, 1424643, 1858230, 1942695, 2331234, 2374405, 2787345, 2849286, 3885390, 4273929, 4748810, 5574690, 5828085, 7123215, 8547858, 11656170, 12821787, 14246430, 21369645, 25643574, 42739290, 64108935, 128217870]

約数ペア:

[(1, 128217870), (2, 64108935), (3, 42739290), (5, 25643574), (6, 21369645), (9, 14246430), (10, 12821787), (11, 11656170), (15, 8547858), (18, 7123215), (22, 5828085), (23, 5574690), (27, 4748810), (30, 4273929), (33, 3885390), (45, 2849286), (46, 2787345), (54, 2374405), (55, 2331234), (66, 1942695), (69, 1858230), (90, 1424643), (99, 1295130), (110, 1165617), (115, 1114938), (135, 949762), (138, 929115), (165, 777078), (198, 647565), (207, 619410), (230, 557469), (253, 506790), (270, 474881), (297, 431710), (330, 388539), (345, 371646), (414, 309705), (495, 259026), (506, 253395), (594, 215855), (621, 206470), (690, 185823), (759, 168930), (990, 129513), (1035, 123882), (1242, 103235), (1265, 101358), (1485, 86342), (1518, 84465), (1877, 68310), (2070, 61941), (2277, 56310), (2530, 50679), (2970, 43171), (3105, 41294), (3754, 34155), (3795, 33786), (4554, 28155), (5631, 22770), (6210, 20647), (6831, 18770), (7590, 16893), (9385, 13662), (11262, 11385)]