81555552

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:222

約数の個数: 192

約数和(自身を含む): 262906560

約数和(自身を除く): 181351008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 53, 54, 72, 78, 96, 104, 106, 108, 117, 137, 144, 156, 159, 208, 212, 216, 234, 274, 288, 312, 318, 351, 411, 416, 424, 432, 468, 477, 548, 624, 636, 689, 702, 822, 848, 864, 936, 954, 1096, 1233, 1248, 1272, 1378, 1404, 1431, 1644, 1696, 1781, 1872, 1908, 2067, 2192, 2466, 2544, 2756, 2808, 2862, 3288, 3562, 3699, 3744, 3816, 4134, 4384, 4932, 5088, 5343, 5512, 5616, 5724, 6201, 6576, 7124, 7261, 7398, 7632, 8268, 9864, 10686, 11024, 11232, 11448, 12402, 13152, 14248, 14522, 14796, 15264, 16029, 16536, 18603, 19728, 21372, 21783, 22048, 22896, 24804, 28496, 29044, 29592, 32058, 33072, 37206, 39456, 42744, 43566, 45792, 48087, 49608, 56992, 58088, 59184, 64116, 65349, 66144, 74412, 85488, 87132, 94393, 96174, 99216, 116176, 118368, 128232, 130698, 148824, 170976, 174264, 188786, 192348, 196047, 198432, 232352, 256464, 261396, 283179, 297648, 348528, 377572, 384696, 392094, 512928, 522792, 566358, 595296, 697056, 755144, 769392, 784188, 849537, 1045584, 1132716, 1510288, 1538784, 1568376, 1699074, 2091168, 2265432, 2548611, 3020576, 3136752, 3398148, 4530864, 5097222, 6273504, 6796296, 9061728, 10194444, 13592592, 20388888, 27185184, 40777776, 81555552]

約数ペア:

[(1, 81555552), (2, 40777776), (3, 27185184), (4, 20388888), (6, 13592592), (8, 10194444), (9, 9061728), (12, 6796296), (13, 6273504), (16, 5097222), (18, 4530864), (24, 3398148), (26, 3136752), (27, 3020576), (32, 2548611), (36, 2265432), (39, 2091168), (48, 1699074), (52, 1568376), (53, 1538784), (54, 1510288), (72, 1132716), (78, 1045584), (96, 849537), (104, 784188), (106, 769392), (108, 755144), (117, 697056), (137, 595296), (144, 566358), (156, 522792), (159, 512928), (208, 392094), (212, 384696), (216, 377572), (234, 348528), (274, 297648), (288, 283179), (312, 261396), (318, 256464), (351, 232352), (411, 198432), (416, 196047), (424, 192348), (432, 188786), (468, 174264), (477, 170976), (548, 148824), (624, 130698), (636, 128232), (689, 118368), (702, 116176), (822, 99216), (848, 96174), (864, 94393), (936, 87132), (954, 85488), (1096, 74412), (1233, 66144), (1248, 65349), (1272, 64116), (1378, 59184), (1404, 58088), (1431, 56992), (1644, 49608), (1696, 48087), (1781, 45792), (1872, 43566), (1908, 42744), (2067, 39456), (2192, 37206), (2466, 33072), (2544, 32058), (2756, 29592), (2808, 29044), (2862, 28496), (3288, 24804), (3562, 22896), (3699, 22048), (3744, 21783), (3816, 21372), (4134, 19728), (4384, 18603), (4932, 16536), (5088, 16029), (5343, 15264), (5512, 14796), (5616, 14522), (5724, 14248), (6201, 13152), (6576, 12402), (7124, 11448), (7261, 11232), (7398, 11024), (7632, 10686), (8268, 9864)]