77912960

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:188

約数の個数: 128

約数和(自身を含む): 199756800

約数和(自身を除く): 121843840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 67, 79, 80, 92, 115, 128, 134, 158, 160, 184, 230, 268, 316, 320, 335, 368, 395, 460, 536, 632, 640, 670, 736, 790, 920, 1072, 1264, 1340, 1472, 1541, 1580, 1817, 1840, 2144, 2528, 2680, 2944, 3082, 3160, 3634, 3680, 4288, 5056, 5293, 5360, 6164, 6320, 7268, 7360, 7705, 8576, 9085, 10112, 10586, 10720, 12328, 12640, 14536, 14720, 15410, 18170, 21172, 21440, 24656, 25280, 26465, 29072, 30820, 36340, 42344, 42880, 49312, 50560, 52930, 58144, 61640, 72680, 84688, 98624, 105860, 116288, 121739, 123280, 145360, 169376, 197248, 211720, 232576, 243478, 246560, 290720, 338752, 423440, 486956, 493120, 581440, 608695, 677504, 846880, 973912, 986240, 1162880, 1217390, 1693760, 1947824, 2434780, 3387520, 3895648, 4869560, 7791296, 9739120, 15582592, 19478240, 38956480, 77912960]

約数ペア:

[(1, 77912960), (2, 38956480), (4, 19478240), (5, 15582592), (8, 9739120), (10, 7791296), (16, 4869560), (20, 3895648), (23, 3387520), (32, 2434780), (40, 1947824), (46, 1693760), (64, 1217390), (67, 1162880), (79, 986240), (80, 973912), (92, 846880), (115, 677504), (128, 608695), (134, 581440), (158, 493120), (160, 486956), (184, 423440), (230, 338752), (268, 290720), (316, 246560), (320, 243478), (335, 232576), (368, 211720), (395, 197248), (460, 169376), (536, 145360), (632, 123280), (640, 121739), (670, 116288), (736, 105860), (790, 98624), (920, 84688), (1072, 72680), (1264, 61640), (1340, 58144), (1472, 52930), (1541, 50560), (1580, 49312), (1817, 42880), (1840, 42344), (2144, 36340), (2528, 30820), (2680, 29072), (2944, 26465), (3082, 25280), (3160, 24656), (3634, 21440), (3680, 21172), (4288, 18170), (5056, 15410), (5293, 14720), (5360, 14536), (6164, 12640), (6320, 12328), (7268, 10720), (7360, 10586), (7705, 10112), (8576, 9085)]