257926032

素因数分解:

$2^4\times 3^{11}\times 7^1\times {\mathrm{13}}^1$

素因数の和:61

約数の個数: 240

約数和(自身を含む): 922579840

約数和(自身を除く): 664653808

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 36, 39, 42, 48, 52, 54, 56, 63, 72, 78, 81, 84, 91, 104, 108, 112, 117, 126, 144, 156, 162, 168, 182, 189, 208, 216, 234, 243, 252, 273, 312, 324, 336, 351, 364, 378, 432, 468, 486, 504, 546, 567, 624, 648, 702, 728, 729, 756, 819, 936, 972, 1008, 1053, 1092, 1134, 1296, 1404, 1456, 1458, 1512, 1638, 1701, 1872, 1944, 2106, 2184, 2187, 2268, 2457, 2808, 2916, 3024, 3159, 3276, 3402, 3888, 4212, 4368, 4374, 4536, 4914, 5103, 5616, 5832, 6318, 6552, 6561, 6804, 7371, 8424, 8748, 9072, 9477, 9828, 10206, 11664, 12636, 13104, 13122, 13608, 14742, 15309, 16848, 17496, 18954, 19656, 19683, 20412, 22113, 25272, 26244, 27216, 28431, 29484, 30618, 34992, 37908, 39312, 39366, 40824, 44226, 45927, 50544, 52488, 56862, 58968, 59049, 61236, 66339, 75816, 78732, 81648, 85293, 88452, 91854, 104976, 113724, 117936, 118098, 122472, 132678, 137781, 151632, 157464, 170586, 176904, 177147, 183708, 199017, 227448, 236196, 244944, 255879, 265356, 275562, 314928, 341172, 353808, 354294, 367416, 398034, 413343, 454896, 472392, 511758, 530712, 551124, 597051, 682344, 708588, 734832, 767637, 796068, 826686, 944784, 1023516, 1061424, 1102248, 1194102, 1240029, 1364688, 1417176, 1535274, 1592136, 1653372, 1791153, 2047032, 2204496, 2302911, 2388204, 2480058, 2834352, 3070548, 3184272, 3306744, 3582306, 4094064, 4605822, 4776408, 4960116, 5373459, 6141096, 6613488, 7164612, 9211644, 9552816, 9920232, 10746918, 12282192, 14329224, 16120377, 18423288, 19840464, 21493836, 28658448, 32240754, 36846576, 42987672, 64481508, 85975344, 128963016, 257926032]

約数ペア:

[(1, 257926032), (2, 128963016), (3, 85975344), (4, 64481508), (6, 42987672), (7, 36846576), (8, 32240754), (9, 28658448), (12, 21493836), (13, 19840464), (14, 18423288), (16, 16120377), (18, 14329224), (21, 12282192), (24, 10746918), (26, 9920232), (27, 9552816), (28, 9211644), (36, 7164612), (39, 6613488), (42, 6141096), (48, 5373459), (52, 4960116), (54, 4776408), (56, 4605822), (63, 4094064), (72, 3582306), (78, 3306744), (81, 3184272), (84, 3070548), (91, 2834352), (104, 2480058), (108, 2388204), (112, 2302911), (117, 2204496), (126, 2047032), (144, 1791153), (156, 1653372), (162, 1592136), (168, 1535274), (182, 1417176), (189, 1364688), (208, 1240029), (216, 1194102), (234, 1102248), (243, 1061424), (252, 1023516), (273, 944784), (312, 826686), (324, 796068), (336, 767637), (351, 734832), (364, 708588), (378, 682344), (432, 597051), (468, 551124), (486, 530712), (504, 511758), (546, 472392), (567, 454896), (624, 413343), (648, 398034), (702, 367416), (728, 354294), (729, 353808), (756, 341172), (819, 314928), (936, 275562), (972, 265356), (1008, 255879), (1053, 244944), (1092, 236196), (1134, 227448), (1296, 199017), (1404, 183708), (1456, 177147), (1458, 176904), (1512, 170586), (1638, 157464), (1701, 151632), (1872, 137781), (1944, 132678), (2106, 122472), (2184, 118098), (2187, 117936), (2268, 113724), (2457, 104976), (2808, 91854), (2916, 88452), (3024, 85293), (3159, 81648), (3276, 78732), (3402, 75816), (3888, 66339), (4212, 61236), (4368, 59049), (4374, 58968), (4536, 56862), (4914, 52488), (5103, 50544), (5616, 45927), (5832, 44226), (6318, 40824), (6552, 39366), (6561, 39312), (6804, 37908), (7371, 34992), (8424, 30618), (8748, 29484), (9072, 28431), (9477, 27216), (9828, 26244), (10206, 25272), (11664, 22113), (12636, 20412), (13104, 19683), (13122, 19656), (13608, 18954), (14742, 17496), (15309, 16848)]