81180800

素因数分解:

$2^7\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1103}}^1$

素因数の和:1150

約数の個数: 96

約数和(自身を含む): 209450880

約数和(自身を除く): 128270080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 128, 160, 184, 200, 230, 320, 368, 400, 460, 575, 640, 736, 800, 920, 1103, 1150, 1472, 1600, 1840, 2206, 2300, 2944, 3200, 3680, 4412, 4600, 5515, 7360, 8824, 9200, 11030, 14720, 17648, 18400, 22060, 25369, 27575, 35296, 36800, 44120, 50738, 55150, 70592, 73600, 88240, 101476, 110300, 126845, 141184, 176480, 202952, 220600, 253690, 352960, 405904, 441200, 507380, 634225, 705920, 811808, 882400, 1014760, 1268450, 1623616, 1764800, 2029520, 2536900, 3247232, 3529600, 4059040, 5073800, 8118080, 10147600, 16236160, 20295200, 40590400, 81180800]

約数ペア:

[(1, 81180800), (2, 40590400), (4, 20295200), (5, 16236160), (8, 10147600), (10, 8118080), (16, 5073800), (20, 4059040), (23, 3529600), (25, 3247232), (32, 2536900), (40, 2029520), (46, 1764800), (50, 1623616), (64, 1268450), (80, 1014760), (92, 882400), (100, 811808), (115, 705920), (128, 634225), (160, 507380), (184, 441200), (200, 405904), (230, 352960), (320, 253690), (368, 220600), (400, 202952), (460, 176480), (575, 141184), (640, 126845), (736, 110300), (800, 101476), (920, 88240), (1103, 73600), (1150, 70592), (1472, 55150), (1600, 50738), (1840, 44120), (2206, 36800), (2300, 35296), (2944, 27575), (3200, 25369), (3680, 22060), (4412, 18400), (4600, 17648), (5515, 14720), (7360, 11030), (8824, 9200)]