131522560

素因数分解:

$2^{13}\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:76

約数の個数: 168

約数和(自身を含む): 359770680

約数和(自身を除く): 228248120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 169, 190, 208, 247, 256, 260, 304, 320, 338, 380, 416, 494, 512, 520, 608, 640, 676, 760, 832, 845, 988, 1024, 1040, 1216, 1235, 1280, 1352, 1520, 1664, 1690, 1976, 2048, 2080, 2432, 2470, 2560, 2704, 3040, 3211, 3328, 3380, 3952, 4096, 4160, 4864, 4940, 5120, 5408, 6080, 6422, 6656, 6760, 7904, 8192, 8320, 9728, 9880, 10240, 10816, 12160, 12844, 13312, 13520, 15808, 16055, 16640, 19456, 19760, 20480, 21632, 24320, 25688, 26624, 27040, 31616, 32110, 33280, 38912, 39520, 40960, 43264, 48640, 51376, 53248, 54080, 63232, 64220, 66560, 77824, 79040, 86528, 97280, 102752, 106496, 108160, 126464, 128440, 133120, 155648, 158080, 173056, 194560, 205504, 216320, 252928, 256880, 266240, 316160, 346112, 389120, 411008, 432640, 505856, 513760, 532480, 632320, 692224, 778240, 822016, 865280, 1011712, 1027520, 1264640, 1384448, 1644032, 1730560, 2023424, 2055040, 2529280, 3288064, 3461120, 4110080, 5058560, 6576128, 6922240, 8220160, 10117120, 13152256, 16440320, 26304512, 32880640, 65761280, 131522560]

約数ペア:

[(1, 131522560), (2, 65761280), (4, 32880640), (5, 26304512), (8, 16440320), (10, 13152256), (13, 10117120), (16, 8220160), (19, 6922240), (20, 6576128), (26, 5058560), (32, 4110080), (38, 3461120), (40, 3288064), (52, 2529280), (64, 2055040), (65, 2023424), (76, 1730560), (80, 1644032), (95, 1384448), (104, 1264640), (128, 1027520), (130, 1011712), (152, 865280), (160, 822016), (169, 778240), (190, 692224), (208, 632320), (247, 532480), (256, 513760), (260, 505856), (304, 432640), (320, 411008), (338, 389120), (380, 346112), (416, 316160), (494, 266240), (512, 256880), (520, 252928), (608, 216320), (640, 205504), (676, 194560), (760, 173056), (832, 158080), (845, 155648), (988, 133120), (1024, 128440), (1040, 126464), (1216, 108160), (1235, 106496), (1280, 102752), (1352, 97280), (1520, 86528), (1664, 79040), (1690, 77824), (1976, 66560), (2048, 64220), (2080, 63232), (2432, 54080), (2470, 53248), (2560, 51376), (2704, 48640), (3040, 43264), (3211, 40960), (3328, 39520), (3380, 38912), (3952, 33280), (4096, 32110), (4160, 31616), (4864, 27040), (4940, 26624), (5120, 25688), (5408, 24320), (6080, 21632), (6422, 20480), (6656, 19760), (6760, 19456), (7904, 16640), (8192, 16055), (8320, 15808), (9728, 13520), (9880, 13312), (10240, 12844), (10816, 12160)]