281353128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:184

約数の個数: 256

約数和(自身を含む): 912384000

約数和(自身を除く): 631030872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 29, 34, 42, 43, 51, 56, 58, 68, 79, 84, 86, 87, 102, 116, 119, 129, 136, 158, 168, 172, 174, 203, 204, 232, 237, 238, 258, 301, 316, 344, 348, 357, 406, 408, 474, 476, 493, 516, 553, 602, 609, 632, 696, 714, 731, 812, 903, 948, 952, 986, 1032, 1106, 1204, 1218, 1247, 1343, 1428, 1462, 1479, 1624, 1659, 1806, 1896, 1972, 2193, 2212, 2291, 2408, 2436, 2494, 2686, 2856, 2924, 2958, 3318, 3397, 3451, 3612, 3741, 3944, 4029, 4386, 4424, 4582, 4872, 4988, 5117, 5372, 5848, 5916, 6636, 6794, 6873, 6902, 7224, 7482, 8058, 8729, 8772, 9164, 9401, 9976, 10191, 10234, 10353, 10744, 11832, 13272, 13588, 13746, 13804, 14964, 15351, 16037, 16116, 17458, 17544, 18328, 18802, 20382, 20468, 20706, 21199, 23779, 26187, 27176, 27492, 27608, 28203, 29928, 30702, 32074, 32232, 34916, 37604, 38947, 40764, 40936, 41412, 42398, 47558, 48111, 52374, 54984, 56406, 57749, 61404, 63597, 64148, 69832, 71337, 75208, 77894, 81528, 82824, 84796, 95116, 96222, 98513, 104748, 112812, 115498, 116841, 122808, 127194, 128296, 142674, 148393, 155788, 169592, 173247, 190232, 192444, 197026, 209496, 225624, 230996, 233682, 254388, 272629, 285348, 295539, 296786, 311576, 346494, 384888, 394052, 404243, 445179, 461992, 467364, 508776, 545258, 570696, 591078, 593572, 689591, 692988, 788104, 808486, 817887, 890358, 934728, 1090516, 1182156, 1187144, 1212729, 1379182, 1385976, 1616972, 1635774, 1674721, 1780716, 2068773, 2181032, 2364312, 2425458, 2758364, 3233944, 3271548, 3349442, 3561432, 4137546, 4850916, 5024163, 5516728, 6543096, 6698884, 8275092, 9701832, 10048326, 11723047, 13397768, 16550184, 20096652, 23446094, 35169141, 40193304, 46892188, 70338282, 93784376, 140676564, 281353128]

約数ペア:

[(1, 281353128), (2, 140676564), (3, 93784376), (4, 70338282), (6, 46892188), (7, 40193304), (8, 35169141), (12, 23446094), (14, 20096652), (17, 16550184), (21, 13397768), (24, 11723047), (28, 10048326), (29, 9701832), (34, 8275092), (42, 6698884), (43, 6543096), (51, 5516728), (56, 5024163), (58, 4850916), (68, 4137546), (79, 3561432), (84, 3349442), (86, 3271548), (87, 3233944), (102, 2758364), (116, 2425458), (119, 2364312), (129, 2181032), (136, 2068773), (158, 1780716), (168, 1674721), (172, 1635774), (174, 1616972), (203, 1385976), (204, 1379182), (232, 1212729), (237, 1187144), (238, 1182156), (258, 1090516), (301, 934728), (316, 890358), (344, 817887), (348, 808486), (357, 788104), (406, 692988), (408, 689591), (474, 593572), (476, 591078), (493, 570696), (516, 545258), (553, 508776), (602, 467364), (609, 461992), (632, 445179), (696, 404243), (714, 394052), (731, 384888), (812, 346494), (903, 311576), (948, 296786), (952, 295539), (986, 285348), (1032, 272629), (1106, 254388), (1204, 233682), (1218, 230996), (1247, 225624), (1343, 209496), (1428, 197026), (1462, 192444), (1479, 190232), (1624, 173247), (1659, 169592), (1806, 155788), (1896, 148393), (1972, 142674), (2193, 128296), (2212, 127194), (2291, 122808), (2408, 116841), (2436, 115498), (2494, 112812), (2686, 104748), (2856, 98513), (2924, 96222), (2958, 95116), (3318, 84796), (3397, 82824), (3451, 81528), (3612, 77894), (3741, 75208), (3944, 71337), (4029, 69832), (4386, 64148), (4424, 63597), (4582, 61404), (4872, 57749), (4988, 56406), (5117, 54984), (5372, 52374), (5848, 48111), (5916, 47558), (6636, 42398), (6794, 41412), (6873, 40936), (6902, 40764), (7224, 38947), (7482, 37604), (8058, 34916), (8729, 32232), (8772, 32074), (9164, 30702), (9401, 29928), (9976, 28203), (10191, 27608), (10234, 27492), (10353, 27176), (10744, 26187), (11832, 23779), (13272, 21199), (13588, 20706), (13746, 20468), (13804, 20382), (14964, 18802), (15351, 18328), (16037, 17544), (16116, 17458)]