661355136

素因数分解:

$2^7\times 3^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 288

約数和(自身を含む): 2135390400

約数和(自身を除く): 1474035264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 43, 48, 52, 64, 72, 78, 79, 86, 96, 104, 117, 128, 129, 144, 156, 158, 169, 172, 192, 208, 234, 237, 258, 288, 312, 316, 338, 344, 384, 387, 416, 468, 474, 507, 516, 559, 576, 624, 632, 676, 688, 711, 774, 832, 936, 948, 1014, 1027, 1032, 1118, 1152, 1248, 1264, 1352, 1376, 1422, 1521, 1548, 1664, 1677, 1872, 1896, 2028, 2054, 2064, 2236, 2496, 2528, 2704, 2752, 2844, 3042, 3081, 3096, 3354, 3397, 3744, 3792, 4056, 4108, 4128, 4472, 4992, 5031, 5056, 5408, 5504, 5688, 6084, 6162, 6192, 6708, 6794, 7267, 7488, 7584, 8112, 8216, 8256, 8944, 9243, 10062, 10112, 10191, 10816, 11376, 12168, 12324, 12384, 13351, 13416, 13588, 14534, 14976, 15168, 16224, 16432, 16512, 17888, 18486, 20124, 20382, 21632, 21801, 22752, 24336, 24648, 24768, 26702, 26832, 27176, 29068, 30336, 30573, 32448, 32864, 35776, 36972, 40053, 40248, 40764, 43602, 44161, 45504, 48672, 49296, 49536, 53404, 53664, 54352, 58136, 61146, 64896, 65403, 65728, 71552, 73944, 80106, 80496, 81528, 87204, 88322, 91008, 97344, 98592, 106808, 107328, 108704, 116272, 120159, 122292, 130806, 131456, 132483, 147888, 160212, 160992, 163056, 174408, 176644, 194688, 197184, 213616, 214656, 217408, 232544, 240318, 244584, 261612, 264966, 295776, 320424, 321984, 326112, 348816, 353288, 394368, 397449, 427232, 434816, 465088, 480636, 489168, 523224, 529932, 574093, 591552, 640848, 643968, 652224, 697632, 706576, 794898, 854464, 930176, 961272, 978336, 1046448, 1059864, 1148186, 1183104, 1281696, 1304448, 1395264, 1413152, 1589796, 1708928, 1722279, 1922544, 1956672, 2092896, 2119728, 2296372, 2563392, 2790528, 2826304, 3179592, 3444558, 3845088, 3913344, 4185792, 4239456, 4592744, 5126784, 5166837, 5652608, 6359184, 6889116, 7690176, 8371584, 8478912, 9185488, 10333674, 12718368, 13778232, 15380352, 16957824, 18370976, 20667348, 25436736, 27556464, 36741952, 41334696, 50873472, 55112928, 73483904, 82669392, 110225856, 165338784, 220451712, 330677568, 661355136]

約数ペア:

[(1, 661355136), (2, 330677568), (3, 220451712), (4, 165338784), (6, 110225856), (8, 82669392), (9, 73483904), (12, 55112928), (13, 50873472), (16, 41334696), (18, 36741952), (24, 27556464), (26, 25436736), (32, 20667348), (36, 18370976), (39, 16957824), (43, 15380352), (48, 13778232), (52, 12718368), (64, 10333674), (72, 9185488), (78, 8478912), (79, 8371584), (86, 7690176), (96, 6889116), (104, 6359184), (117, 5652608), (128, 5166837), (129, 5126784), (144, 4592744), (156, 4239456), (158, 4185792), (169, 3913344), (172, 3845088), (192, 3444558), (208, 3179592), (234, 2826304), (237, 2790528), (258, 2563392), (288, 2296372), (312, 2119728), (316, 2092896), (338, 1956672), (344, 1922544), (384, 1722279), (387, 1708928), (416, 1589796), (468, 1413152), (474, 1395264), (507, 1304448), (516, 1281696), (559, 1183104), (576, 1148186), (624, 1059864), (632, 1046448), (676, 978336), (688, 961272), (711, 930176), (774, 854464), (832, 794898), (936, 706576), (948, 697632), (1014, 652224), (1027, 643968), (1032, 640848), (1118, 591552), (1152, 574093), (1248, 529932), (1264, 523224), (1352, 489168), (1376, 480636), (1422, 465088), (1521, 434816), (1548, 427232), (1664, 397449), (1677, 394368), (1872, 353288), (1896, 348816), (2028, 326112), (2054, 321984), (2064, 320424), (2236, 295776), (2496, 264966), (2528, 261612), (2704, 244584), (2752, 240318), (2844, 232544), (3042, 217408), (3081, 214656), (3096, 213616), (3354, 197184), (3397, 194688), (3744, 176644), (3792, 174408), (4056, 163056), (4108, 160992), (4128, 160212), (4472, 147888), (4992, 132483), (5031, 131456), (5056, 130806), (5408, 122292), (5504, 120159), (5688, 116272), (6084, 108704), (6162, 107328), (6192, 106808), (6708, 98592), (6794, 97344), (7267, 91008), (7488, 88322), (7584, 87204), (8112, 81528), (8216, 80496), (8256, 80106), (8944, 73944), (9243, 71552), (10062, 65728), (10112, 65403), (10191, 64896), (10816, 61146), (11376, 58136), (12168, 54352), (12324, 53664), (12384, 53404), (13351, 49536), (13416, 49296), (13588, 48672), (14534, 45504), (14976, 44161), (15168, 43602), (16224, 40764), (16432, 40248), (16512, 40053), (17888, 36972), (18486, 35776), (20124, 32864), (20382, 32448), (21632, 30573), (21801, 30336), (22752, 29068), (24336, 27176), (24648, 26832), (24768, 26702)]