171278240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 192

約数和(自身を含む): 494968320

約数和(自身を除く): 323690080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 61, 70, 80, 92, 109, 112, 115, 122, 140, 160, 161, 184, 218, 224, 230, 244, 280, 305, 322, 368, 427, 436, 460, 488, 545, 560, 610, 644, 736, 763, 805, 854, 872, 920, 976, 1090, 1120, 1220, 1288, 1403, 1526, 1610, 1708, 1744, 1840, 1952, 2135, 2180, 2440, 2507, 2576, 2806, 3052, 3220, 3416, 3488, 3680, 3815, 4270, 4360, 4880, 5014, 5152, 5612, 6104, 6440, 6649, 6832, 7015, 7630, 8540, 8720, 9760, 9821, 10028, 11224, 12208, 12535, 12880, 13298, 13664, 14030, 15260, 17080, 17440, 17549, 19642, 20056, 22448, 24416, 25070, 25760, 26596, 28060, 30520, 33245, 34160, 35098, 39284, 40112, 44896, 46543, 49105, 50140, 53192, 56120, 61040, 66490, 68320, 70196, 78568, 80224, 87745, 93086, 98210, 100280, 106384, 112240, 122080, 132980, 140392, 152927, 157136, 175490, 186172, 196420, 200560, 212768, 224480, 232715, 265960, 280784, 305854, 314272, 350980, 372344, 392840, 401120, 465430, 531920, 561568, 611708, 701960, 744688, 764635, 785680, 930860, 1063840, 1070489, 1223416, 1403920, 1489376, 1529270, 1571360, 1861720, 2140978, 2446832, 2807840, 3058540, 3723440, 4281956, 4893664, 5352445, 6117080, 7446880, 8563912, 10704890, 12234160, 17127824, 21409780, 24468320, 34255648, 42819560, 85639120, 171278240]

約数ペア:

[(1, 171278240), (2, 85639120), (4, 42819560), (5, 34255648), (7, 24468320), (8, 21409780), (10, 17127824), (14, 12234160), (16, 10704890), (20, 8563912), (23, 7446880), (28, 6117080), (32, 5352445), (35, 4893664), (40, 4281956), (46, 3723440), (56, 3058540), (61, 2807840), (70, 2446832), (80, 2140978), (92, 1861720), (109, 1571360), (112, 1529270), (115, 1489376), (122, 1403920), (140, 1223416), (160, 1070489), (161, 1063840), (184, 930860), (218, 785680), (224, 764635), (230, 744688), (244, 701960), (280, 611708), (305, 561568), (322, 531920), (368, 465430), (427, 401120), (436, 392840), (460, 372344), (488, 350980), (545, 314272), (560, 305854), (610, 280784), (644, 265960), (736, 232715), (763, 224480), (805, 212768), (854, 200560), (872, 196420), (920, 186172), (976, 175490), (1090, 157136), (1120, 152927), (1220, 140392), (1288, 132980), (1403, 122080), (1526, 112240), (1610, 106384), (1708, 100280), (1744, 98210), (1840, 93086), (1952, 87745), (2135, 80224), (2180, 78568), (2440, 70196), (2507, 68320), (2576, 66490), (2806, 61040), (3052, 56120), (3220, 53192), (3416, 50140), (3488, 49105), (3680, 46543), (3815, 44896), (4270, 40112), (4360, 39284), (4880, 35098), (5014, 34160), (5152, 33245), (5612, 30520), (6104, 28060), (6440, 26596), (6649, 25760), (6832, 25070), (7015, 24416), (7630, 22448), (8540, 20056), (8720, 19642), (9760, 17549), (9821, 17440), (10028, 17080), (11224, 15260), (12208, 14030), (12535, 13664), (12880, 13298)]