256175568

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 320

約数和(自身を含む): 868515840

約数和(自身を除く): 612340272

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 31, 33, 36, 37, 44, 47, 48, 54, 62, 66, 72, 74, 88, 93, 94, 99, 108, 111, 124, 132, 141, 144, 148, 176, 186, 188, 198, 216, 222, 248, 264, 279, 282, 296, 297, 333, 341, 372, 376, 396, 407, 423, 432, 444, 496, 517, 528, 558, 564, 592, 594, 666, 682, 744, 752, 792, 814, 837, 846, 888, 999, 1023, 1034, 1116, 1128, 1147, 1188, 1221, 1269, 1332, 1364, 1457, 1488, 1551, 1584, 1628, 1674, 1692, 1739, 1776, 1998, 2046, 2068, 2232, 2256, 2294, 2376, 2442, 2538, 2664, 2728, 2914, 3069, 3102, 3256, 3348, 3384, 3441, 3478, 3663, 3996, 4092, 4136, 4371, 4464, 4588, 4653, 4752, 4884, 5076, 5217, 5328, 5456, 5828, 6138, 6204, 6512, 6696, 6768, 6882, 6956, 7326, 7992, 8184, 8272, 8742, 9176, 9207, 9306, 9768, 10152, 10323, 10434, 10989, 11656, 12276, 12408, 12617, 13113, 13392, 13764, 13912, 13959, 14652, 15651, 15984, 16027, 16368, 17484, 18352, 18414, 18612, 19129, 19536, 20304, 20646, 20868, 21978, 23312, 24552, 24816, 25234, 26226, 27528, 27824, 27918, 29304, 30969, 31302, 32054, 34968, 36828, 37224, 37851, 38258, 39339, 41292, 41736, 43956, 46953, 48081, 49104, 50468, 52452, 53909, 55056, 55836, 57387, 58608, 61938, 62604, 64108, 69936, 73656, 74448, 75702, 76516, 78678, 82584, 83472, 87912, 93906, 96162, 100936, 104904, 107818, 111672, 113553, 114774, 123876, 125208, 128216, 144243, 147312, 151404, 153032, 157356, 161727, 165168, 172161, 175824, 187812, 192324, 201872, 209808, 215636, 223344, 227106, 229548, 247752, 250416, 256432, 288486, 302808, 306064, 314712, 323454, 340659, 344322, 375624, 384648, 431272, 432729, 454212, 459096, 485181, 495504, 516483, 576972, 592999, 605616, 629424, 646908, 681318, 688644, 751248, 769296, 862544, 865458, 908424, 918192, 970362, 1032966, 1153944, 1185998, 1293816, 1362636, 1377288, 1455543, 1730916, 1778997, 1816848, 1940724, 2065932, 2307888, 2371996, 2587632, 2725272, 2754576, 2911086, 3461832, 3557994, 3881448, 4131864, 4743992, 5336991, 5450544, 5822172, 6923664, 7115988, 7762896, 8263728, 9487984, 10673982, 11644344, 14231976, 16010973, 21347964, 23288688, 28463952, 32021946, 42695928, 64043892, 85391856, 128087784, 256175568]

約数ペア:

[(1, 256175568), (2, 128087784), (3, 85391856), (4, 64043892), (6, 42695928), (8, 32021946), (9, 28463952), (11, 23288688), (12, 21347964), (16, 16010973), (18, 14231976), (22, 11644344), (24, 10673982), (27, 9487984), (31, 8263728), (33, 7762896), (36, 7115988), (37, 6923664), (44, 5822172), (47, 5450544), (48, 5336991), (54, 4743992), (62, 4131864), (66, 3881448), (72, 3557994), (74, 3461832), (88, 2911086), (93, 2754576), (94, 2725272), (99, 2587632), (108, 2371996), (111, 2307888), (124, 2065932), (132, 1940724), (141, 1816848), (144, 1778997), (148, 1730916), (176, 1455543), (186, 1377288), (188, 1362636), (198, 1293816), (216, 1185998), (222, 1153944), (248, 1032966), (264, 970362), (279, 918192), (282, 908424), (296, 865458), (297, 862544), (333, 769296), (341, 751248), (372, 688644), (376, 681318), (396, 646908), (407, 629424), (423, 605616), (432, 592999), (444, 576972), (496, 516483), (517, 495504), (528, 485181), (558, 459096), (564, 454212), (592, 432729), (594, 431272), (666, 384648), (682, 375624), (744, 344322), (752, 340659), (792, 323454), (814, 314712), (837, 306064), (846, 302808), (888, 288486), (999, 256432), (1023, 250416), (1034, 247752), (1116, 229548), (1128, 227106), (1147, 223344), (1188, 215636), (1221, 209808), (1269, 201872), (1332, 192324), (1364, 187812), (1457, 175824), (1488, 172161), (1551, 165168), (1584, 161727), (1628, 157356), (1674, 153032), (1692, 151404), (1739, 147312), (1776, 144243), (1998, 128216), (2046, 125208), (2068, 123876), (2232, 114774), (2256, 113553), (2294, 111672), (2376, 107818), (2442, 104904), (2538, 100936), (2664, 96162), (2728, 93906), (2914, 87912), (3069, 83472), (3102, 82584), (3256, 78678), (3348, 76516), (3384, 75702), (3441, 74448), (3478, 73656), (3663, 69936), (3996, 64108), (4092, 62604), (4136, 61938), (4371, 58608), (4464, 57387), (4588, 55836), (4653, 55056), (4752, 53909), (4884, 52452), (5076, 50468), (5217, 49104), (5328, 48081), (5456, 46953), (5828, 43956), (6138, 41736), (6204, 41292), (6512, 39339), (6696, 38258), (6768, 37851), (6882, 37224), (6956, 36828), (7326, 34968), (7992, 32054), (8184, 31302), (8272, 30969), (8742, 29304), (9176, 27918), (9207, 27824), (9306, 27528), (9768, 26226), (10152, 25234), (10323, 24816), (10434, 24552), (10989, 23312), (11656, 21978), (12276, 20868), (12408, 20646), (12617, 20304), (13113, 19536), (13392, 19129), (13764, 18612), (13912, 18414), (13959, 18352), (14652, 17484), (15651, 16368), (15984, 16027)]