68752640

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:308

約数の個数: 144

約数和(自身を含む): 189846720

約数和(自身を除く): 121094080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 128, 152, 160, 176, 190, 209, 220, 256, 257, 304, 320, 352, 380, 418, 440, 514, 608, 640, 704, 760, 836, 880, 1028, 1045, 1216, 1280, 1285, 1408, 1520, 1672, 1760, 2056, 2090, 2432, 2570, 2816, 2827, 3040, 3344, 3520, 4112, 4180, 4864, 4883, 5140, 5654, 6080, 6688, 7040, 8224, 8360, 9766, 10280, 11308, 12160, 13376, 14080, 14135, 16448, 16720, 19532, 20560, 22616, 24320, 24415, 26752, 28270, 32896, 33440, 39064, 41120, 45232, 48830, 53504, 53713, 56540, 65792, 66880, 78128, 82240, 90464, 97660, 107426, 113080, 133760, 156256, 164480, 180928, 195320, 214852, 226160, 267520, 268565, 312512, 328960, 361856, 390640, 429704, 452320, 537130, 625024, 723712, 781280, 859408, 904640, 1074260, 1250048, 1562560, 1718816, 1809280, 2148520, 3125120, 3437632, 3618560, 4297040, 6250240, 6875264, 8594080, 13750528, 17188160, 34376320, 68752640]

約数ペア:

[(1, 68752640), (2, 34376320), (4, 17188160), (5, 13750528), (8, 8594080), (10, 6875264), (11, 6250240), (16, 4297040), (19, 3618560), (20, 3437632), (22, 3125120), (32, 2148520), (38, 1809280), (40, 1718816), (44, 1562560), (55, 1250048), (64, 1074260), (76, 904640), (80, 859408), (88, 781280), (95, 723712), (110, 625024), (128, 537130), (152, 452320), (160, 429704), (176, 390640), (190, 361856), (209, 328960), (220, 312512), (256, 268565), (257, 267520), (304, 226160), (320, 214852), (352, 195320), (380, 180928), (418, 164480), (440, 156256), (514, 133760), (608, 113080), (640, 107426), (704, 97660), (760, 90464), (836, 82240), (880, 78128), (1028, 66880), (1045, 65792), (1216, 56540), (1280, 53713), (1285, 53504), (1408, 48830), (1520, 45232), (1672, 41120), (1760, 39064), (2056, 33440), (2090, 32896), (2432, 28270), (2570, 26752), (2816, 24415), (2827, 24320), (3040, 22616), (3344, 20560), (3520, 19532), (4112, 16720), (4180, 16448), (4864, 14135), (4883, 14080), (5140, 13376), (5654, 12160), (6080, 11308), (6688, 10280), (7040, 9766), (8224, 8360)]