287873520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:492

約数の個数: 240

約数和(自身を含む): 1025934336

約数和(自身を除く): 738060816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 33, 40, 44, 46, 48, 55, 60, 66, 69, 80, 88, 92, 110, 115, 120, 121, 132, 138, 165, 176, 184, 220, 230, 240, 242, 253, 264, 276, 330, 345, 363, 368, 431, 440, 460, 484, 506, 528, 552, 605, 660, 690, 726, 759, 862, 880, 920, 968, 1012, 1104, 1210, 1265, 1293, 1320, 1380, 1452, 1518, 1724, 1815, 1840, 1936, 2024, 2155, 2420, 2530, 2586, 2640, 2760, 2783, 2904, 3036, 3448, 3630, 3795, 4048, 4310, 4741, 4840, 5060, 5172, 5520, 5566, 5808, 6072, 6465, 6896, 7260, 7590, 8349, 8620, 9482, 9680, 9913, 10120, 10344, 11132, 12144, 12930, 13915, 14223, 14520, 15180, 16698, 17240, 18964, 19826, 20240, 20688, 22264, 23705, 25860, 27830, 28446, 29040, 29739, 30360, 33396, 34480, 37928, 39652, 41745, 44528, 47410, 49565, 51720, 52151, 55660, 56892, 59478, 60720, 66792, 71115, 75856, 79304, 83490, 94820, 99130, 103440, 104302, 109043, 111320, 113784, 118956, 133584, 142230, 148695, 156453, 158608, 166980, 189640, 198260, 208604, 218086, 222640, 227568, 237912, 260755, 284460, 297390, 312906, 327129, 333960, 379280, 396520, 417208, 436172, 475824, 521510, 545215, 568920, 594780, 625812, 654258, 667920, 782265, 793040, 834416, 872344, 1043020, 1090430, 1137840, 1189560, 1199473, 1251624, 1308516, 1564530, 1635645, 1744688, 2086040, 2180860, 2379120, 2398946, 2503248, 2617032, 3129060, 3271290, 3598419, 4172080, 4361720, 4797892, 5234064, 5997365, 6258120, 6542580, 7196838, 8723440, 9595784, 11994730, 12516240, 13085160, 14393676, 17992095, 19191568, 23989460, 26170320, 28787352, 35984190, 47978920, 57574704, 71968380, 95957840, 143936760, 287873520]

約数ペア:

[(1, 287873520), (2, 143936760), (3, 95957840), (4, 71968380), (5, 57574704), (6, 47978920), (8, 35984190), (10, 28787352), (11, 26170320), (12, 23989460), (15, 19191568), (16, 17992095), (20, 14393676), (22, 13085160), (23, 12516240), (24, 11994730), (30, 9595784), (33, 8723440), (40, 7196838), (44, 6542580), (46, 6258120), (48, 5997365), (55, 5234064), (60, 4797892), (66, 4361720), (69, 4172080), (80, 3598419), (88, 3271290), (92, 3129060), (110, 2617032), (115, 2503248), (120, 2398946), (121, 2379120), (132, 2180860), (138, 2086040), (165, 1744688), (176, 1635645), (184, 1564530), (220, 1308516), (230, 1251624), (240, 1199473), (242, 1189560), (253, 1137840), (264, 1090430), (276, 1043020), (330, 872344), (345, 834416), (363, 793040), (368, 782265), (431, 667920), (440, 654258), (460, 625812), (484, 594780), (506, 568920), (528, 545215), (552, 521510), (605, 475824), (660, 436172), (690, 417208), (726, 396520), (759, 379280), (862, 333960), (880, 327129), (920, 312906), (968, 297390), (1012, 284460), (1104, 260755), (1210, 237912), (1265, 227568), (1293, 222640), (1320, 218086), (1380, 208604), (1452, 198260), (1518, 189640), (1724, 166980), (1815, 158608), (1840, 156453), (1936, 148695), (2024, 142230), (2155, 133584), (2420, 118956), (2530, 113784), (2586, 111320), (2640, 109043), (2760, 104302), (2783, 103440), (2904, 99130), (3036, 94820), (3448, 83490), (3630, 79304), (3795, 75856), (4048, 71115), (4310, 66792), (4741, 60720), (4840, 59478), (5060, 56892), (5172, 55660), (5520, 52151), (5566, 51720), (5808, 49565), (6072, 47410), (6465, 44528), (6896, 41745), (7260, 39652), (7590, 37928), (8349, 34480), (8620, 33396), (9482, 30360), (9680, 29739), (9913, 29040), (10120, 28446), (10344, 27830), (11132, 25860), (12144, 23705), (12930, 22264), (13915, 20688), (14223, 20240), (14520, 19826), (15180, 18964), (16698, 17240)]