257814648

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1$

素因数の和:179

約数の個数: 288

約数和(自身を含む): 915314400

約数和(自身を除く): 657499752

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 19, 21, 24, 26, 28, 36, 38, 39, 42, 52, 56, 57, 63, 72, 76, 78, 84, 91, 104, 109, 114, 117, 126, 133, 152, 156, 168, 171, 182, 218, 228, 234, 247, 252, 266, 273, 312, 327, 342, 361, 364, 399, 436, 456, 468, 494, 504, 532, 546, 654, 684, 722, 728, 741, 763, 798, 819, 872, 936, 981, 988, 1064, 1083, 1092, 1197, 1308, 1368, 1417, 1444, 1482, 1526, 1596, 1638, 1729, 1962, 1976, 2071, 2166, 2184, 2223, 2289, 2394, 2527, 2616, 2834, 2888, 2964, 3052, 3192, 3249, 3276, 3458, 3924, 4142, 4251, 4332, 4446, 4578, 4693, 4788, 5054, 5187, 5668, 5928, 6104, 6213, 6498, 6552, 6867, 6916, 7581, 7848, 8284, 8502, 8664, 8892, 9156, 9386, 9576, 9919, 10108, 10374, 11336, 12426, 12753, 12996, 13734, 13832, 14079, 14497, 15162, 15561, 16568, 17004, 17784, 18312, 18639, 18772, 19838, 20216, 20748, 22743, 24852, 25506, 25992, 26923, 27468, 28158, 28994, 29757, 30324, 31122, 32851, 34008, 37278, 37544, 39349, 39676, 41496, 42237, 43491, 45486, 49704, 51012, 53846, 54936, 56316, 57988, 59514, 60648, 62244, 65702, 74556, 78698, 79352, 80769, 84474, 86982, 89271, 90972, 98553, 102024, 107692, 112632, 115976, 118047, 119028, 124488, 130473, 131404, 149112, 157396, 161538, 168948, 173964, 178542, 181944, 188461, 197106, 215384, 236094, 238056, 242307, 260946, 262808, 275443, 295659, 314792, 323076, 337896, 347928, 354141, 357084, 376922, 394212, 472188, 484614, 511537, 521892, 550886, 565383, 591318, 646152, 708282, 714168, 753844, 788424, 826329, 944376, 969228, 1023074, 1043784, 1101772, 1130766, 1182636, 1416564, 1507688, 1534611, 1652658, 1696149, 1938456, 2046148, 2203544, 2261532, 2365272, 2478987, 2833128, 3069222, 3305316, 3392298, 3580759, 4092296, 4523064, 4603833, 4957974, 6138444, 6610632, 6784596, 7161518, 9207666, 9915948, 10742277, 12276888, 13569192, 14323036, 18415332, 19831896, 21484554, 28646072, 32226831, 36830664, 42969108, 64453662, 85938216, 128907324, 257814648]

約数ペア:

[(1, 257814648), (2, 128907324), (3, 85938216), (4, 64453662), (6, 42969108), (7, 36830664), (8, 32226831), (9, 28646072), (12, 21484554), (13, 19831896), (14, 18415332), (18, 14323036), (19, 13569192), (21, 12276888), (24, 10742277), (26, 9915948), (28, 9207666), (36, 7161518), (38, 6784596), (39, 6610632), (42, 6138444), (52, 4957974), (56, 4603833), (57, 4523064), (63, 4092296), (72, 3580759), (76, 3392298), (78, 3305316), (84, 3069222), (91, 2833128), (104, 2478987), (109, 2365272), (114, 2261532), (117, 2203544), (126, 2046148), (133, 1938456), (152, 1696149), (156, 1652658), (168, 1534611), (171, 1507688), (182, 1416564), (218, 1182636), (228, 1130766), (234, 1101772), (247, 1043784), (252, 1023074), (266, 969228), (273, 944376), (312, 826329), (327, 788424), (342, 753844), (361, 714168), (364, 708282), (399, 646152), (436, 591318), (456, 565383), (468, 550886), (494, 521892), (504, 511537), (532, 484614), (546, 472188), (654, 394212), (684, 376922), (722, 357084), (728, 354141), (741, 347928), (763, 337896), (798, 323076), (819, 314792), (872, 295659), (936, 275443), (981, 262808), (988, 260946), (1064, 242307), (1083, 238056), (1092, 236094), (1197, 215384), (1308, 197106), (1368, 188461), (1417, 181944), (1444, 178542), (1482, 173964), (1526, 168948), (1596, 161538), (1638, 157396), (1729, 149112), (1962, 131404), (1976, 130473), (2071, 124488), (2166, 119028), (2184, 118047), (2223, 115976), (2289, 112632), (2394, 107692), (2527, 102024), (2616, 98553), (2834, 90972), (2888, 89271), (2964, 86982), (3052, 84474), (3192, 80769), (3249, 79352), (3276, 78698), (3458, 74556), (3924, 65702), (4142, 62244), (4251, 60648), (4332, 59514), (4446, 57988), (4578, 56316), (4693, 54936), (4788, 53846), (5054, 51012), (5187, 49704), (5668, 45486), (5928, 43491), (6104, 42237), (6213, 41496), (6498, 39676), (6552, 39349), (6867, 37544), (6916, 37278), (7581, 34008), (7848, 32851), (8284, 31122), (8502, 30324), (8664, 29757), (8892, 28994), (9156, 28158), (9386, 27468), (9576, 26923), (9919, 25992), (10108, 25506), (10374, 24852), (11336, 22743), (12426, 20748), (12753, 20216), (12996, 19838), (13734, 18772), (13832, 18639), (14079, 18312), (14497, 17784), (15162, 17004), (15561, 16568)]