31307820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{947}}^1$

素因数の和:1007

約数の個数: 96

約数和(自身を含む): 95558400

約数和(自身を除く): 64250580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 29, 30, 38, 57, 58, 60, 76, 87, 95, 114, 116, 145, 174, 190, 228, 285, 290, 348, 380, 435, 551, 570, 580, 870, 947, 1102, 1140, 1653, 1740, 1894, 2204, 2755, 2841, 3306, 3788, 4735, 5510, 5682, 6612, 8265, 9470, 11020, 11364, 14205, 16530, 17993, 18940, 27463, 28410, 33060, 35986, 53979, 54926, 56820, 71972, 82389, 89965, 107958, 109852, 137315, 164778, 179930, 215916, 269895, 274630, 329556, 359860, 411945, 521797, 539790, 549260, 823890, 1043594, 1079580, 1565391, 1647780, 2087188, 2608985, 3130782, 5217970, 6261564, 7826955, 10435940, 15653910, 31307820]

約数ペア:

[(1, 31307820), (2, 15653910), (3, 10435940), (4, 7826955), (5, 6261564), (6, 5217970), (10, 3130782), (12, 2608985), (15, 2087188), (19, 1647780), (20, 1565391), (29, 1079580), (30, 1043594), (38, 823890), (57, 549260), (58, 539790), (60, 521797), (76, 411945), (87, 359860), (95, 329556), (114, 274630), (116, 269895), (145, 215916), (174, 179930), (190, 164778), (228, 137315), (285, 109852), (290, 107958), (348, 89965), (380, 82389), (435, 71972), (551, 56820), (570, 54926), (580, 53979), (870, 35986), (947, 33060), (1102, 28410), (1140, 27463), (1653, 18940), (1740, 17993), (1894, 16530), (2204, 14205), (2755, 11364), (2841, 11020), (3306, 9470), (3788, 8265), (4735, 6612), (5510, 5682)]