128315880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1543}}^1$

素因数の和:1581

約数の個数: 256

約数和(自身を含む): 533606400

約数和(自身を除く): 405290520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 165, 168, 180, 189, 198, 210, 216, 220, 231, 252, 264, 270, 280, 297, 308, 315, 330, 360, 378, 385, 396, 420, 440, 462, 495, 504, 540, 594, 616, 630, 660, 693, 756, 770, 792, 840, 924, 945, 990, 1080, 1155, 1188, 1260, 1320, 1386, 1485, 1512, 1540, 1543, 1848, 1890, 1980, 2079, 2310, 2376, 2520, 2772, 2970, 3080, 3086, 3465, 3780, 3960, 4158, 4620, 4629, 5544, 5940, 6172, 6930, 7560, 7715, 8316, 9240, 9258, 10395, 10801, 11880, 12344, 13860, 13887, 15430, 16632, 16973, 18516, 20790, 21602, 23145, 27720, 27774, 30860, 32403, 33946, 37032, 41580, 41661, 43204, 46290, 50919, 54005, 55548, 61720, 64806, 67892, 69435, 83160, 83322, 84865, 86408, 92580, 97209, 101838, 108010, 111096, 118811, 129612, 135784, 138870, 152757, 162015, 166644, 169730, 185160, 194418, 203676, 208305, 216020, 237622, 254595, 259224, 277740, 291627, 305514, 324030, 333288, 339460, 356433, 388836, 407352, 416610, 432040, 458271, 475244, 486045, 509190, 555480, 583254, 594055, 611028, 648060, 678920, 712866, 763785, 777672, 833220, 916542, 950488, 972090, 1018380, 1069299, 1166508, 1188110, 1222056, 1296120, 1425732, 1458135, 1527570, 1666440, 1782165, 1833084, 1944180, 2036760, 2138598, 2291355, 2333016, 2376220, 2851464, 2916270, 3055140, 3207897, 3564330, 3666168, 3888360, 4277196, 4582710, 4752440, 5346495, 5832540, 6110280, 6415794, 7128660, 8554392, 9165420, 10692990, 11665080, 12831588, 14257320, 16039485, 18330840, 21385980, 25663176, 32078970, 42771960, 64157940, 128315880]

約数ペア:

[(1, 128315880), (2, 64157940), (3, 42771960), (4, 32078970), (5, 25663176), (6, 21385980), (7, 18330840), (8, 16039485), (9, 14257320), (10, 12831588), (11, 11665080), (12, 10692990), (14, 9165420), (15, 8554392), (18, 7128660), (20, 6415794), (21, 6110280), (22, 5832540), (24, 5346495), (27, 4752440), (28, 4582710), (30, 4277196), (33, 3888360), (35, 3666168), (36, 3564330), (40, 3207897), (42, 3055140), (44, 2916270), (45, 2851464), (54, 2376220), (55, 2333016), (56, 2291355), (60, 2138598), (63, 2036760), (66, 1944180), (70, 1833084), (72, 1782165), (77, 1666440), (84, 1527570), (88, 1458135), (90, 1425732), (99, 1296120), (105, 1222056), (108, 1188110), (110, 1166508), (120, 1069299), (126, 1018380), (132, 972090), (135, 950488), (140, 916542), (154, 833220), (165, 777672), (168, 763785), (180, 712866), (189, 678920), (198, 648060), (210, 611028), (216, 594055), (220, 583254), (231, 555480), (252, 509190), (264, 486045), (270, 475244), (280, 458271), (297, 432040), (308, 416610), (315, 407352), (330, 388836), (360, 356433), (378, 339460), (385, 333288), (396, 324030), (420, 305514), (440, 291627), (462, 277740), (495, 259224), (504, 254595), (540, 237622), (594, 216020), (616, 208305), (630, 203676), (660, 194418), (693, 185160), (756, 169730), (770, 166644), (792, 162015), (840, 152757), (924, 138870), (945, 135784), (990, 129612), (1080, 118811), (1155, 111096), (1188, 108010), (1260, 101838), (1320, 97209), (1386, 92580), (1485, 86408), (1512, 84865), (1540, 83322), (1543, 83160), (1848, 69435), (1890, 67892), (1980, 64806), (2079, 61720), (2310, 55548), (2376, 54005), (2520, 50919), (2772, 46290), (2970, 43204), (3080, 41661), (3086, 41580), (3465, 37032), (3780, 33946), (3960, 32403), (4158, 30860), (4620, 27774), (4629, 27720), (5544, 23145), (5940, 21602), (6172, 20790), (6930, 18516), (7560, 16973), (7715, 16632), (8316, 15430), (9240, 13887), (9258, 13860), (10395, 12344), (10801, 11880)]