19680881760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{187223}}^1$

素因数の和:187317

約数の個数: 144

約数和(自身を含む): 68081386464

約数和(自身を除く): 48400504704

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 73, 80, 90, 96, 120, 144, 146, 160, 180, 219, 240, 288, 292, 360, 365, 438, 480, 584, 657, 720, 730, 876, 1095, 1168, 1314, 1440, 1460, 1752, 2190, 2336, 2628, 2920, 3285, 3504, 4380, 5256, 5840, 6570, 7008, 8760, 10512, 11680, 13140, 17520, 21024, 26280, 35040, 52560, 105120, 187223, 374446, 561669, 748892, 936115, 1123338, 1497784, 1685007, 1872230, 2246676, 2808345, 2995568, 3370014, 3744460, 4493352, 5616690, 5991136, 6740028, 7488920, 8425035, 8986704, 11233380, 13480056, 13667279, 14977840, 16850070, 17973408, 22466760, 26960112, 27334558, 29955680, 33700140, 41001837, 44933520, 53920224, 54669116, 67400280, 68336395, 82003674, 89867040, 109338232, 123005511, 134800560, 136672790, 164007348, 205009185, 218676464, 246011022, 269601120, 273345580, 328014696, 410018370, 437352928, 492022044, 546691160, 615027555, 656029392, 820036740, 984044088, 1093382320, 1230055110, 1312058784, 1640073480, 1968088176, 2186764640, 2460110220, 3280146960, 3936176352, 4920220440, 6560293920, 9840440880, 19680881760]

約数ペア:

[(1, 19680881760), (2, 9840440880), (3, 6560293920), (4, 4920220440), (5, 3936176352), (6, 3280146960), (8, 2460110220), (9, 2186764640), (10, 1968088176), (12, 1640073480), (15, 1312058784), (16, 1230055110), (18, 1093382320), (20, 984044088), (24, 820036740), (30, 656029392), (32, 615027555), (36, 546691160), (40, 492022044), (45, 437352928), (48, 410018370), (60, 328014696), (72, 273345580), (73, 269601120), (80, 246011022), (90, 218676464), (96, 205009185), (120, 164007348), (144, 136672790), (146, 134800560), (160, 123005511), (180, 109338232), (219, 89867040), (240, 82003674), (288, 68336395), (292, 67400280), (360, 54669116), (365, 53920224), (438, 44933520), (480, 41001837), (584, 33700140), (657, 29955680), (720, 27334558), (730, 26960112), (876, 22466760), (1095, 17973408), (1168, 16850070), (1314, 14977840), (1440, 13667279), (1460, 13480056), (1752, 11233380), (2190, 8986704), (2336, 8425035), (2628, 7488920), (2920, 6740028), (3285, 5991136), (3504, 5616690), (4380, 4493352), (5256, 3744460), (5840, 3370014), (6570, 2995568), (7008, 2808345), (8760, 2246676), (10512, 1872230), (11680, 1685007), (13140, 1497784), (17520, 1123338), (21024, 936115), (26280, 748892), (35040, 561669), (52560, 374446), (105120, 187223)]