216540800

素因数分解:

$2^7\times 5^2\times 7^2\times {\mathrm{1381}}^1$

素因数の和:1419

約数の個数: 144

約数和(自身を含む): 622708470

約数和(自身を除く): 406167670

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 245, 280, 320, 350, 392, 400, 448, 490, 560, 640, 700, 784, 800, 896, 980, 1120, 1225, 1381, 1400, 1568, 1600, 1960, 2240, 2450, 2762, 2800, 3136, 3200, 3920, 4480, 4900, 5524, 5600, 6272, 6905, 7840, 9667, 9800, 11048, 11200, 13810, 15680, 19334, 19600, 22096, 22400, 27620, 31360, 34525, 38668, 39200, 44192, 48335, 55240, 67669, 69050, 77336, 78400, 88384, 96670, 110480, 135338, 138100, 154672, 156800, 176768, 193340, 220960, 241675, 270676, 276200, 309344, 338345, 386680, 441920, 483350, 541352, 552400, 618688, 676690, 773360, 883840, 966700, 1082704, 1104800, 1237376, 1353380, 1546720, 1691725, 1933400, 2165408, 2209600, 2706760, 3093440, 3383450, 3866800, 4330816, 4419200, 5413520, 6186880, 6766900, 7733600, 8661632, 10827040, 13533800, 15467200, 21654080, 27067600, 30934400, 43308160, 54135200, 108270400, 216540800]

約数ペア:

[(1, 216540800), (2, 108270400), (4, 54135200), (5, 43308160), (7, 30934400), (8, 27067600), (10, 21654080), (14, 15467200), (16, 13533800), (20, 10827040), (25, 8661632), (28, 7733600), (32, 6766900), (35, 6186880), (40, 5413520), (49, 4419200), (50, 4330816), (56, 3866800), (64, 3383450), (70, 3093440), (80, 2706760), (98, 2209600), (100, 2165408), (112, 1933400), (128, 1691725), (140, 1546720), (160, 1353380), (175, 1237376), (196, 1104800), (200, 1082704), (224, 966700), (245, 883840), (280, 773360), (320, 676690), (350, 618688), (392, 552400), (400, 541352), (448, 483350), (490, 441920), (560, 386680), (640, 338345), (700, 309344), (784, 276200), (800, 270676), (896, 241675), (980, 220960), (1120, 193340), (1225, 176768), (1381, 156800), (1400, 154672), (1568, 138100), (1600, 135338), (1960, 110480), (2240, 96670), (2450, 88384), (2762, 78400), (2800, 77336), (3136, 69050), (3200, 67669), (3920, 55240), (4480, 48335), (4900, 44192), (5524, 39200), (5600, 38668), (6272, 34525), (6905, 31360), (7840, 27620), (9667, 22400), (9800, 22096), (11048, 19600), (11200, 19334), (13810, 15680)]