257791536

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:184

約数の個数: 240

約数和(自身を含む): 817090560

約数和(自身を除く): 559299024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 31, 34, 36, 43, 48, 51, 62, 68, 72, 79, 86, 93, 102, 124, 129, 136, 144, 153, 158, 172, 186, 204, 237, 248, 258, 272, 279, 306, 316, 344, 372, 387, 408, 474, 496, 516, 527, 558, 612, 632, 688, 711, 731, 744, 774, 816, 948, 1032, 1054, 1116, 1224, 1264, 1333, 1343, 1422, 1462, 1488, 1548, 1581, 1896, 2064, 2108, 2193, 2232, 2448, 2449, 2666, 2686, 2844, 2924, 3096, 3162, 3397, 3792, 3999, 4029, 4216, 4386, 4464, 4743, 4898, 5332, 5372, 5688, 5848, 6192, 6324, 6579, 6794, 7347, 7998, 8058, 8432, 8772, 9486, 9796, 10191, 10664, 10744, 11376, 11696, 11997, 12087, 12648, 13158, 13588, 14694, 15996, 16116, 17544, 18972, 19592, 20382, 21328, 21488, 22041, 22661, 23994, 24174, 25296, 26316, 27176, 29388, 30573, 31992, 32232, 35088, 37944, 39184, 40764, 41633, 44082, 45322, 47988, 48348, 52632, 54352, 57749, 58776, 61146, 63984, 64464, 67983, 75888, 81528, 83266, 88164, 90644, 95976, 96696, 105264, 105307, 115498, 117552, 122292, 124899, 135966, 163056, 166532, 173247, 176328, 181288, 191952, 193392, 203949, 210614, 230996, 244584, 249798, 271932, 315921, 333064, 346494, 352656, 362576, 374697, 407898, 421228, 461992, 489168, 499596, 519741, 543864, 631842, 666128, 692988, 749394, 815796, 842456, 923984, 947763, 999192, 1039482, 1087728, 1263684, 1385976, 1498788, 1631592, 1684912, 1790219, 1895526, 1998384, 2078964, 2527368, 2771952, 2997576, 3263184, 3580438, 3791052, 4157928, 5054736, 5370657, 5995152, 7160876, 7582104, 8315856, 10741314, 14321752, 15164208, 16111971, 21482628, 28643504, 32223942, 42965256, 64447884, 85930512, 128895768, 257791536]

約数ペア:

[(1, 257791536), (2, 128895768), (3, 85930512), (4, 64447884), (6, 42965256), (8, 32223942), (9, 28643504), (12, 21482628), (16, 16111971), (17, 15164208), (18, 14321752), (24, 10741314), (31, 8315856), (34, 7582104), (36, 7160876), (43, 5995152), (48, 5370657), (51, 5054736), (62, 4157928), (68, 3791052), (72, 3580438), (79, 3263184), (86, 2997576), (93, 2771952), (102, 2527368), (124, 2078964), (129, 1998384), (136, 1895526), (144, 1790219), (153, 1684912), (158, 1631592), (172, 1498788), (186, 1385976), (204, 1263684), (237, 1087728), (248, 1039482), (258, 999192), (272, 947763), (279, 923984), (306, 842456), (316, 815796), (344, 749394), (372, 692988), (387, 666128), (408, 631842), (474, 543864), (496, 519741), (516, 499596), (527, 489168), (558, 461992), (612, 421228), (632, 407898), (688, 374697), (711, 362576), (731, 352656), (744, 346494), (774, 333064), (816, 315921), (948, 271932), (1032, 249798), (1054, 244584), (1116, 230996), (1224, 210614), (1264, 203949), (1333, 193392), (1343, 191952), (1422, 181288), (1462, 176328), (1488, 173247), (1548, 166532), (1581, 163056), (1896, 135966), (2064, 124899), (2108, 122292), (2193, 117552), (2232, 115498), (2448, 105307), (2449, 105264), (2666, 96696), (2686, 95976), (2844, 90644), (2924, 88164), (3096, 83266), (3162, 81528), (3397, 75888), (3792, 67983), (3999, 64464), (4029, 63984), (4216, 61146), (4386, 58776), (4464, 57749), (4743, 54352), (4898, 52632), (5332, 48348), (5372, 47988), (5688, 45322), (5848, 44082), (6192, 41633), (6324, 40764), (6579, 39184), (6794, 37944), (7347, 35088), (7998, 32232), (8058, 31992), (8432, 30573), (8772, 29388), (9486, 27176), (9796, 26316), (10191, 25296), (10664, 24174), (10744, 23994), (11376, 22661), (11696, 22041), (11997, 21488), (12087, 21328), (12648, 20382), (13158, 19592), (13588, 18972), (14694, 17544), (15996, 16116)]