81427008

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:165

約数の個数: 224

約数和(自身を含む): 261152640

約数和(自身を除く): 179725632

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 19, 24, 26, 32, 34, 38, 39, 48, 51, 52, 57, 64, 68, 76, 78, 96, 101, 102, 104, 114, 136, 152, 156, 192, 202, 204, 208, 221, 228, 247, 272, 303, 304, 312, 323, 404, 408, 416, 442, 456, 494, 544, 606, 608, 624, 646, 663, 741, 808, 816, 832, 884, 912, 969, 988, 1088, 1212, 1216, 1248, 1292, 1313, 1326, 1482, 1616, 1632, 1717, 1768, 1824, 1919, 1938, 1976, 2424, 2496, 2584, 2626, 2652, 2964, 3232, 3264, 3434, 3536, 3648, 3838, 3876, 3939, 3952, 4199, 4848, 5151, 5168, 5252, 5304, 5757, 5928, 6464, 6868, 7072, 7676, 7752, 7878, 7904, 8398, 9696, 10302, 10336, 10504, 10608, 11514, 11856, 12597, 13736, 14144, 15352, 15504, 15756, 15808, 16796, 19392, 20604, 20672, 21008, 21216, 22321, 23028, 23712, 24947, 25194, 27472, 30704, 31008, 31512, 32623, 33592, 41208, 42016, 42432, 44642, 46056, 47424, 49894, 50388, 54944, 61408, 62016, 63024, 65246, 66963, 67184, 74841, 82416, 84032, 89284, 92112, 97869, 99788, 100776, 109888, 122816, 126048, 130492, 133926, 134368, 149682, 164832, 178568, 184224, 195738, 199576, 201552, 252096, 260984, 267852, 268736, 299364, 329664, 357136, 368448, 391476, 399152, 403104, 424099, 521968, 535704, 598728, 714272, 782952, 798304, 806208, 848198, 1043936, 1071408, 1197456, 1272297, 1428544, 1565904, 1596608, 1696396, 2087872, 2142816, 2394912, 2544594, 3131808, 3392792, 4285632, 4789824, 5089188, 6263616, 6785584, 10178376, 13571168, 20356752, 27142336, 40713504, 81427008]

約数ペア:

[(1, 81427008), (2, 40713504), (3, 27142336), (4, 20356752), (6, 13571168), (8, 10178376), (12, 6785584), (13, 6263616), (16, 5089188), (17, 4789824), (19, 4285632), (24, 3392792), (26, 3131808), (32, 2544594), (34, 2394912), (38, 2142816), (39, 2087872), (48, 1696396), (51, 1596608), (52, 1565904), (57, 1428544), (64, 1272297), (68, 1197456), (76, 1071408), (78, 1043936), (96, 848198), (101, 806208), (102, 798304), (104, 782952), (114, 714272), (136, 598728), (152, 535704), (156, 521968), (192, 424099), (202, 403104), (204, 399152), (208, 391476), (221, 368448), (228, 357136), (247, 329664), (272, 299364), (303, 268736), (304, 267852), (312, 260984), (323, 252096), (404, 201552), (408, 199576), (416, 195738), (442, 184224), (456, 178568), (494, 164832), (544, 149682), (606, 134368), (608, 133926), (624, 130492), (646, 126048), (663, 122816), (741, 109888), (808, 100776), (816, 99788), (832, 97869), (884, 92112), (912, 89284), (969, 84032), (988, 82416), (1088, 74841), (1212, 67184), (1216, 66963), (1248, 65246), (1292, 63024), (1313, 62016), (1326, 61408), (1482, 54944), (1616, 50388), (1632, 49894), (1717, 47424), (1768, 46056), (1824, 44642), (1919, 42432), (1938, 42016), (1976, 41208), (2424, 33592), (2496, 32623), (2584, 31512), (2626, 31008), (2652, 30704), (2964, 27472), (3232, 25194), (3264, 24947), (3434, 23712), (3536, 23028), (3648, 22321), (3838, 21216), (3876, 21008), (3939, 20672), (3952, 20604), (4199, 19392), (4848, 16796), (5151, 15808), (5168, 15756), (5252, 15504), (5304, 15352), (5757, 14144), (5928, 13736), (6464, 12597), (6868, 11856), (7072, 11514), (7676, 10608), (7752, 10504), (7878, 10336), (7904, 10302), (8398, 9696)]