165128960

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 423843840

約数和(自身を除く): 258714880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 71, 79, 80, 92, 115, 128, 142, 158, 160, 184, 230, 256, 284, 316, 320, 355, 368, 395, 460, 568, 632, 640, 710, 736, 790, 920, 1136, 1264, 1280, 1420, 1472, 1580, 1633, 1817, 1840, 2272, 2528, 2840, 2944, 3160, 3266, 3634, 3680, 4544, 5056, 5609, 5680, 5888, 6320, 6532, 7268, 7360, 8165, 9085, 9088, 10112, 11218, 11360, 12640, 13064, 14536, 14720, 16330, 18170, 18176, 20224, 22436, 22720, 25280, 26128, 28045, 29072, 29440, 32660, 36340, 44872, 45440, 50560, 52256, 56090, 58144, 65320, 72680, 89744, 90880, 101120, 104512, 112180, 116288, 129007, 130640, 145360, 179488, 209024, 224360, 232576, 258014, 261280, 290720, 358976, 418048, 448720, 465152, 516028, 522560, 581440, 645035, 717952, 897440, 1032056, 1045120, 1162880, 1290070, 1435904, 1794880, 2064112, 2090240, 2325760, 2580140, 3589760, 4128224, 5160280, 7179520, 8256448, 10320560, 16512896, 20641120, 33025792, 41282240, 82564480, 165128960]

約数ペア:

[(1, 165128960), (2, 82564480), (4, 41282240), (5, 33025792), (8, 20641120), (10, 16512896), (16, 10320560), (20, 8256448), (23, 7179520), (32, 5160280), (40, 4128224), (46, 3589760), (64, 2580140), (71, 2325760), (79, 2090240), (80, 2064112), (92, 1794880), (115, 1435904), (128, 1290070), (142, 1162880), (158, 1045120), (160, 1032056), (184, 897440), (230, 717952), (256, 645035), (284, 581440), (316, 522560), (320, 516028), (355, 465152), (368, 448720), (395, 418048), (460, 358976), (568, 290720), (632, 261280), (640, 258014), (710, 232576), (736, 224360), (790, 209024), (920, 179488), (1136, 145360), (1264, 130640), (1280, 129007), (1420, 116288), (1472, 112180), (1580, 104512), (1633, 101120), (1817, 90880), (1840, 89744), (2272, 72680), (2528, 65320), (2840, 58144), (2944, 56090), (3160, 52256), (3266, 50560), (3634, 45440), (3680, 44872), (4544, 36340), (5056, 32660), (5609, 29440), (5680, 29072), (5888, 28045), (6320, 26128), (6532, 25280), (7268, 22720), (7360, 22436), (8165, 20224), (9085, 18176), (9088, 18170), (10112, 16330), (11218, 14720), (11360, 14536), (12640, 13064)]