128908560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:254

約数の個数: 240

約数和(自身を含む): 460720512

約数和(自身を除く): 331811952

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, 193, 220, 230, 240, 242, 253, 264, 276, 330, 345, 363, 368, 386, 440, 460, 484, 506, 528, 552, 579, 605, 660, 690, 726, 759, 772, 880, 920, 965, 968, 1012, 1104, 1158, 1210, 1265, 1320, 1380, 1452, 1518, 1544, 1815, 1840, 1930, 1936, 2024, 2123, 2316, 2420, 2530, 2640, 2760, 2783, 2895, 2904, 3036, 3088, 3630, 3795, 3860, 4048, 4246, 4439, 4632, 4840, 5060, 5520, 5566, 5790, 5808, 6072, 6369, 7260, 7590, 7720, 8349, 8492, 8878, 9264, 9680, 10120, 10615, 11132, 11580, 12144, 12738, 13317, 13915, 14520, 15180, 15440, 16698, 16984, 17756, 20240, 21230, 22195, 22264, 23160, 23353, 25476, 26634, 27830, 29040, 30360, 31845, 33396, 33968, 35512, 41745, 42460, 44390, 44528, 46320, 46706, 48829, 50952, 53268, 55660, 60720, 63690, 66585, 66792, 70059, 71024, 83490, 84920, 88780, 93412, 97658, 101904, 106536, 111320, 116765, 127380, 133170, 133584, 140118, 146487, 166980, 169840, 177560, 186824, 195316, 213072, 222640, 233530, 244145, 254760, 266340, 280236, 292974, 333960, 350295, 355120, 373648, 390632, 467060, 488290, 509520, 532680, 537119, 560472, 585948, 667920, 700590, 732435, 781264, 934120, 976580, 1065360, 1074238, 1120944, 1171896, 1401180, 1464870, 1611357, 1868240, 1953160, 2148476, 2343792, 2685595, 2802360, 2929740, 3222714, 3906320, 4296952, 5371190, 5604720, 5859480, 6445428, 8056785, 8593904, 10742380, 11718960, 12890856, 16113570, 21484760, 25781712, 32227140, 42969520, 64454280, 128908560]

約数ペア:

[(1, 128908560), (2, 64454280), (3, 42969520), (4, 32227140), (5, 25781712), (6, 21484760), (8, 16113570), (10, 12890856), (11, 11718960), (12, 10742380), (15, 8593904), (16, 8056785), (20, 6445428), (22, 5859480), (23, 5604720), (24, 5371190), (30, 4296952), (33, 3906320), (40, 3222714), (44, 2929740), (46, 2802360), (48, 2685595), (55, 2343792), (60, 2148476), (66, 1953160), (69, 1868240), (80, 1611357), (88, 1464870), (92, 1401180), (110, 1171896), (115, 1120944), (120, 1074238), (121, 1065360), (132, 976580), (138, 934120), (165, 781264), (176, 732435), (184, 700590), (193, 667920), (220, 585948), (230, 560472), (240, 537119), (242, 532680), (253, 509520), (264, 488290), (276, 467060), (330, 390632), (345, 373648), (363, 355120), (368, 350295), (386, 333960), (440, 292974), (460, 280236), (484, 266340), (506, 254760), (528, 244145), (552, 233530), (579, 222640), (605, 213072), (660, 195316), (690, 186824), (726, 177560), (759, 169840), (772, 166980), (880, 146487), (920, 140118), (965, 133584), (968, 133170), (1012, 127380), (1104, 116765), (1158, 111320), (1210, 106536), (1265, 101904), (1320, 97658), (1380, 93412), (1452, 88780), (1518, 84920), (1544, 83490), (1815, 71024), (1840, 70059), (1930, 66792), (1936, 66585), (2024, 63690), (2123, 60720), (2316, 55660), (2420, 53268), (2530, 50952), (2640, 48829), (2760, 46706), (2783, 46320), (2895, 44528), (2904, 44390), (3036, 42460), (3088, 41745), (3630, 35512), (3795, 33968), (3860, 33396), (4048, 31845), (4246, 30360), (4439, 29040), (4632, 27830), (4840, 26634), (5060, 25476), (5520, 23353), (5566, 23160), (5790, 22264), (5808, 22195), (6072, 21230), (6369, 20240), (7260, 17756), (7590, 16984), (7720, 16698), (8349, 15440), (8492, 15180), (8878, 14520), (9264, 13915), (9680, 13317), (10120, 12738), (10615, 12144), (11132, 11580)]