247856280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12829}}^1$

素因数の和:12873

約数の個数: 128

約数和(自身を含む): 886809600

約数和(自身を除く): 638953320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 4830, 6440, 9660, 12829, 19320, 25658, 38487, 51316, 64145, 76974, 89803, 102632, 128290, 153948, 179606, 192435, 256580, 269409, 295067, 307896, 359212, 384870, 449015, 513160, 538818, 590134, 718424, 769740, 885201, 898030, 1077636, 1180268, 1347045, 1475335, 1539480, 1770402, 1796060, 2065469, 2155272, 2360536, 2694090, 2950670, 3540804, 3592120, 4130938, 4426005, 5388180, 5901340, 6196407, 7081608, 8261876, 8852010, 10327345, 10776360, 11802680, 12392814, 16523752, 17704020, 20654690, 24785628, 30982035, 35408040, 41309380, 49571256, 61964070, 82618760, 123928140, 247856280]

約数ペア:

[(1, 247856280), (2, 123928140), (3, 82618760), (4, 61964070), (5, 49571256), (6, 41309380), (7, 35408040), (8, 30982035), (10, 24785628), (12, 20654690), (14, 17704020), (15, 16523752), (20, 12392814), (21, 11802680), (23, 10776360), (24, 10327345), (28, 8852010), (30, 8261876), (35, 7081608), (40, 6196407), (42, 5901340), (46, 5388180), (56, 4426005), (60, 4130938), (69, 3592120), (70, 3540804), (84, 2950670), (92, 2694090), (105, 2360536), (115, 2155272), (120, 2065469), (138, 1796060), (140, 1770402), (161, 1539480), (168, 1475335), (184, 1347045), (210, 1180268), (230, 1077636), (276, 898030), (280, 885201), (322, 769740), (345, 718424), (420, 590134), (460, 538818), (483, 513160), (552, 449015), (644, 384870), (690, 359212), (805, 307896), (840, 295067), (920, 269409), (966, 256580), (1288, 192435), (1380, 179606), (1610, 153948), (1932, 128290), (2415, 102632), (2760, 89803), (3220, 76974), (3864, 64145), (4830, 51316), (6440, 38487), (9660, 25658), (12829, 19320)]