261130608

素因数分解:

$2^4\times 3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:133

約数の個数: 240

約数和(自身を含む): 842222880

約数和(自身を除く): 581092272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 31, 34, 36, 37, 48, 51, 54, 62, 68, 72, 74, 93, 102, 108, 111, 124, 136, 144, 148, 153, 186, 204, 216, 222, 248, 272, 279, 296, 306, 333, 372, 408, 432, 444, 459, 496, 527, 558, 592, 612, 629, 666, 744, 816, 837, 888, 918, 961, 999, 1054, 1116, 1147, 1224, 1258, 1332, 1488, 1581, 1674, 1776, 1836, 1887, 1922, 1998, 2108, 2232, 2294, 2448, 2516, 2664, 2883, 3162, 3348, 3441, 3672, 3774, 3844, 3996, 4216, 4464, 4588, 4743, 5032, 5328, 5661, 5766, 6324, 6696, 6882, 7344, 7548, 7688, 7992, 8432, 8649, 9176, 9486, 10064, 10323, 11322, 11532, 12648, 13392, 13764, 14229, 15096, 15376, 15984, 16337, 16983, 17298, 18352, 18972, 19499, 20646, 22644, 23064, 25296, 25947, 27528, 28458, 30192, 30969, 32674, 33966, 34596, 35557, 37944, 38998, 41292, 45288, 46128, 49011, 51894, 55056, 56916, 58497, 61938, 65348, 67932, 69192, 71114, 75888, 77996, 82584, 90576, 98022, 103788, 106671, 113832, 116994, 123876, 130696, 135864, 138384, 142228, 147033, 155992, 165168, 175491, 196044, 207576, 213342, 227664, 233988, 247752, 261392, 271728, 284456, 294066, 311984, 320013, 350982, 392088, 415152, 426684, 441099, 467976, 495504, 526473, 568912, 588132, 604469, 640026, 701964, 784176, 853368, 882198, 935952, 960039, 1052946, 1176264, 1208938, 1280052, 1403928, 1706736, 1764396, 1813407, 1920078, 2105892, 2352528, 2417876, 2560104, 2807856, 3528792, 3626814, 3840156, 4211784, 4835752, 5120208, 5440221, 7057584, 7253628, 7680312, 8423568, 9671504, 10880442, 14507256, 15360624, 16320663, 21760884, 29014512, 32641326, 43521768, 65282652, 87043536, 130565304, 261130608]

約数ペア:

[(1, 261130608), (2, 130565304), (3, 87043536), (4, 65282652), (6, 43521768), (8, 32641326), (9, 29014512), (12, 21760884), (16, 16320663), (17, 15360624), (18, 14507256), (24, 10880442), (27, 9671504), (31, 8423568), (34, 7680312), (36, 7253628), (37, 7057584), (48, 5440221), (51, 5120208), (54, 4835752), (62, 4211784), (68, 3840156), (72, 3626814), (74, 3528792), (93, 2807856), (102, 2560104), (108, 2417876), (111, 2352528), (124, 2105892), (136, 1920078), (144, 1813407), (148, 1764396), (153, 1706736), (186, 1403928), (204, 1280052), (216, 1208938), (222, 1176264), (248, 1052946), (272, 960039), (279, 935952), (296, 882198), (306, 853368), (333, 784176), (372, 701964), (408, 640026), (432, 604469), (444, 588132), (459, 568912), (496, 526473), (527, 495504), (558, 467976), (592, 441099), (612, 426684), (629, 415152), (666, 392088), (744, 350982), (816, 320013), (837, 311984), (888, 294066), (918, 284456), (961, 271728), (999, 261392), (1054, 247752), (1116, 233988), (1147, 227664), (1224, 213342), (1258, 207576), (1332, 196044), (1488, 175491), (1581, 165168), (1674, 155992), (1776, 147033), (1836, 142228), (1887, 138384), (1922, 135864), (1998, 130696), (2108, 123876), (2232, 116994), (2294, 113832), (2448, 106671), (2516, 103788), (2664, 98022), (2883, 90576), (3162, 82584), (3348, 77996), (3441, 75888), (3672, 71114), (3774, 69192), (3844, 67932), (3996, 65348), (4216, 61938), (4464, 58497), (4588, 56916), (4743, 55056), (5032, 51894), (5328, 49011), (5661, 46128), (5766, 45288), (6324, 41292), (6696, 38998), (6882, 37944), (7344, 35557), (7548, 34596), (7688, 33966), (7992, 32674), (8432, 30969), (8649, 30192), (9176, 28458), (9486, 27528), (10064, 25947), (10323, 25296), (11322, 23064), (11532, 22644), (12648, 20646), (13392, 19499), (13764, 18972), (14229, 18352), (15096, 17298), (15376, 16983), (15984, 16337)]