654321888

素因数分解:

$2^5\times 3^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{433}}^1$

素因数の和:519

約数の個数: 240

約数和(自身を含む): 2143831536

約数和(自身を除く): 1489509648

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 53, 54, 66, 72, 81, 88, 96, 99, 106, 108, 132, 144, 159, 162, 176, 198, 212, 216, 264, 288, 297, 318, 324, 352, 396, 424, 432, 433, 477, 528, 583, 594, 636, 648, 792, 848, 864, 866, 891, 954, 1056, 1166, 1188, 1272, 1296, 1299, 1431, 1584, 1696, 1732, 1749, 1782, 1908, 2332, 2376, 2544, 2592, 2598, 2862, 3168, 3464, 3498, 3564, 3816, 3897, 4293, 4664, 4752, 4763, 5088, 5196, 5247, 5724, 6928, 6996, 7128, 7632, 7794, 8586, 9328, 9504, 9526, 10392, 10494, 11448, 11691, 13856, 13992, 14256, 14289, 15264, 15588, 15741, 17172, 18656, 19052, 20784, 20988, 22896, 22949, 23382, 27984, 28512, 28578, 31176, 31482, 34344, 35073, 38104, 41568, 41976, 42867, 45792, 45898, 46764, 47223, 55968, 57156, 62352, 62964, 68688, 68847, 70146, 76208, 83952, 85734, 91796, 93528, 94446, 114312, 124704, 125928, 128601, 137376, 137694, 140292, 152416, 167904, 171468, 183592, 187056, 188892, 206541, 228624, 251856, 252439, 257202, 275388, 280584, 342936, 367184, 374112, 377784, 385803, 413082, 457248, 503712, 504878, 514404, 550776, 561168, 619623, 685872, 734368, 755568, 757317, 771606, 826164, 1009756, 1028808, 1101552, 1122336, 1239246, 1371744, 1511136, 1514634, 1543212, 1652328, 1858869, 2019512, 2057616, 2203104, 2271951, 2478492, 3029268, 3086424, 3304656, 3717738, 4039024, 4115232, 4543902, 4956984, 6058536, 6172848, 6609312, 6815853, 7435476, 8078048, 9087804, 9913968, 12117072, 12345696, 13631706, 14870952, 18175608, 19827936, 20447559, 24234144, 27263412, 29741904, 36351216, 40895118, 54526824, 59483808, 72702432, 81790236, 109053648, 163580472, 218107296, 327160944, 654321888]

約数ペア:

[(1, 654321888), (2, 327160944), (3, 218107296), (4, 163580472), (6, 109053648), (8, 81790236), (9, 72702432), (11, 59483808), (12, 54526824), (16, 40895118), (18, 36351216), (22, 29741904), (24, 27263412), (27, 24234144), (32, 20447559), (33, 19827936), (36, 18175608), (44, 14870952), (48, 13631706), (53, 12345696), (54, 12117072), (66, 9913968), (72, 9087804), (81, 8078048), (88, 7435476), (96, 6815853), (99, 6609312), (106, 6172848), (108, 6058536), (132, 4956984), (144, 4543902), (159, 4115232), (162, 4039024), (176, 3717738), (198, 3304656), (212, 3086424), (216, 3029268), (264, 2478492), (288, 2271951), (297, 2203104), (318, 2057616), (324, 2019512), (352, 1858869), (396, 1652328), (424, 1543212), (432, 1514634), (433, 1511136), (477, 1371744), (528, 1239246), (583, 1122336), (594, 1101552), (636, 1028808), (648, 1009756), (792, 826164), (848, 771606), (864, 757317), (866, 755568), (891, 734368), (954, 685872), (1056, 619623), (1166, 561168), (1188, 550776), (1272, 514404), (1296, 504878), (1299, 503712), (1431, 457248), (1584, 413082), (1696, 385803), (1732, 377784), (1749, 374112), (1782, 367184), (1908, 342936), (2332, 280584), (2376, 275388), (2544, 257202), (2592, 252439), (2598, 251856), (2862, 228624), (3168, 206541), (3464, 188892), (3498, 187056), (3564, 183592), (3816, 171468), (3897, 167904), (4293, 152416), (4664, 140292), (4752, 137694), (4763, 137376), (5088, 128601), (5196, 125928), (5247, 124704), (5724, 114312), (6928, 94446), (6996, 93528), (7128, 91796), (7632, 85734), (7794, 83952), (8586, 76208), (9328, 70146), (9504, 68847), (9526, 68688), (10392, 62964), (10494, 62352), (11448, 57156), (11691, 55968), (13856, 47223), (13992, 46764), (14256, 45898), (14289, 45792), (15264, 42867), (15588, 41976), (15741, 41568), (17172, 38104), (18656, 35073), (19052, 34344), (20784, 31482), (20988, 31176), (22896, 28578), (22949, 28512), (23382, 27984)]