81863808

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:107

約数の個数: 192

約数和(自身を含む): 252698880

約数和(自身を除く): 170835072

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 31, 32, 39, 46, 48, 52, 62, 64, 69, 78, 92, 93, 96, 104, 124, 128, 138, 156, 184, 186, 192, 208, 248, 276, 299, 312, 368, 372, 384, 403, 416, 496, 529, 552, 598, 624, 713, 736, 744, 806, 832, 897, 992, 1058, 1104, 1196, 1209, 1248, 1426, 1472, 1488, 1587, 1612, 1664, 1794, 1984, 2116, 2139, 2208, 2392, 2418, 2496, 2852, 2944, 2976, 3174, 3224, 3588, 3968, 4232, 4278, 4416, 4784, 4836, 4992, 5704, 5952, 6348, 6448, 6877, 7176, 8464, 8556, 8832, 9269, 9568, 9672, 11408, 11904, 12696, 12896, 13754, 14352, 16399, 16928, 17112, 18538, 19136, 19344, 20631, 22816, 25392, 25792, 27508, 27807, 28704, 32798, 33856, 34224, 37076, 38272, 38688, 41262, 45632, 49197, 50784, 51584, 55016, 55614, 57408, 65596, 67712, 68448, 74152, 77376, 82524, 91264, 98394, 101568, 110032, 111228, 114816, 131192, 136896, 148304, 154752, 165048, 196788, 203136, 213187, 220064, 222456, 262384, 273792, 296608, 330096, 393576, 426374, 440128, 444912, 524768, 593216, 639561, 660192, 787152, 852748, 880256, 889824, 1049536, 1186432, 1279122, 1320384, 1574304, 1705496, 1779648, 2099072, 2558244, 2640768, 3148608, 3410992, 3559296, 5116488, 6297216, 6821984, 10232976, 13643968, 20465952, 27287936, 40931904, 81863808]

約数ペア:

[(1, 81863808), (2, 40931904), (3, 27287936), (4, 20465952), (6, 13643968), (8, 10232976), (12, 6821984), (13, 6297216), (16, 5116488), (23, 3559296), (24, 3410992), (26, 3148608), (31, 2640768), (32, 2558244), (39, 2099072), (46, 1779648), (48, 1705496), (52, 1574304), (62, 1320384), (64, 1279122), (69, 1186432), (78, 1049536), (92, 889824), (93, 880256), (96, 852748), (104, 787152), (124, 660192), (128, 639561), (138, 593216), (156, 524768), (184, 444912), (186, 440128), (192, 426374), (208, 393576), (248, 330096), (276, 296608), (299, 273792), (312, 262384), (368, 222456), (372, 220064), (384, 213187), (403, 203136), (416, 196788), (496, 165048), (529, 154752), (552, 148304), (598, 136896), (624, 131192), (713, 114816), (736, 111228), (744, 110032), (806, 101568), (832, 98394), (897, 91264), (992, 82524), (1058, 77376), (1104, 74152), (1196, 68448), (1209, 67712), (1248, 65596), (1426, 57408), (1472, 55614), (1488, 55016), (1587, 51584), (1612, 50784), (1664, 49197), (1794, 45632), (1984, 41262), (2116, 38688), (2139, 38272), (2208, 37076), (2392, 34224), (2418, 33856), (2496, 32798), (2852, 28704), (2944, 27807), (2976, 27508), (3174, 25792), (3224, 25392), (3588, 22816), (3968, 20631), (4232, 19344), (4278, 19136), (4416, 18538), (4784, 17112), (4836, 16928), (4992, 16399), (5704, 14352), (5952, 13754), (6348, 12896), (6448, 12696), (6877, 11904), (7176, 11408), (8464, 9672), (8556, 9568), (8832, 9269)]