257717136

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:261

約数の個数: 120

約数和(自身を含む): 711210432

約数和(自身を除く): 453493296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 37, 48, 62, 74, 93, 111, 124, 148, 151, 186, 222, 248, 296, 302, 372, 444, 453, 496, 592, 604, 744, 888, 906, 961, 1147, 1208, 1488, 1776, 1812, 1922, 2294, 2416, 2883, 3441, 3624, 3844, 4588, 4681, 5587, 5766, 6882, 7248, 7688, 9176, 9362, 11174, 11532, 13764, 14043, 15376, 16761, 18352, 18724, 22348, 23064, 27528, 28086, 33522, 35557, 37448, 44696, 46128, 55056, 56172, 67044, 71114, 74896, 89392, 106671, 112344, 134088, 142228, 145111, 173197, 213342, 224688, 268176, 284456, 290222, 346394, 426684, 435333, 519591, 568912, 580444, 692788, 853368, 870666, 1039182, 1160888, 1385576, 1706736, 1741332, 2078364, 2321776, 2771152, 3482664, 4156728, 5369107, 6965328, 8313456, 10738214, 16107321, 21476428, 32214642, 42952856, 64429284, 85905712, 128858568, 257717136]

約数ペア:

[(1, 257717136), (2, 128858568), (3, 85905712), (4, 64429284), (6, 42952856), (8, 32214642), (12, 21476428), (16, 16107321), (24, 10738214), (31, 8313456), (37, 6965328), (48, 5369107), (62, 4156728), (74, 3482664), (93, 2771152), (111, 2321776), (124, 2078364), (148, 1741332), (151, 1706736), (186, 1385576), (222, 1160888), (248, 1039182), (296, 870666), (302, 853368), (372, 692788), (444, 580444), (453, 568912), (496, 519591), (592, 435333), (604, 426684), (744, 346394), (888, 290222), (906, 284456), (961, 268176), (1147, 224688), (1208, 213342), (1488, 173197), (1776, 145111), (1812, 142228), (1922, 134088), (2294, 112344), (2416, 106671), (2883, 89392), (3441, 74896), (3624, 71114), (3844, 67044), (4588, 56172), (4681, 55056), (5587, 46128), (5766, 44696), (6882, 37448), (7248, 35557), (7688, 33522), (9176, 28086), (9362, 27528), (11174, 23064), (11532, 22348), (13764, 18724), (14043, 18352), (15376, 16761)]