78827385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 170311680

約数和(自身を除く): 91484295

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 39, 43, 51, 65, 79, 85, 91, 105, 119, 129, 195, 215, 221, 237, 255, 273, 301, 357, 395, 455, 553, 559, 595, 645, 663, 731, 903, 1027, 1105, 1185, 1343, 1365, 1505, 1547, 1659, 1677, 1785, 2193, 2765, 2795, 3081, 3315, 3397, 3655, 3913, 4029, 4515, 4641, 5117, 5135, 6715, 7189, 7735, 8295, 8385, 9401, 9503, 10191, 10965, 11739, 15351, 15405, 16985, 17459, 19565, 20145, 21567, 23205, 23779, 25585, 28203, 28509, 35945, 44161, 47005, 47515, 50955, 52377, 57749, 58695, 66521, 71337, 76755, 87295, 107835, 118895, 122213, 132483, 141015, 142545, 173247, 199563, 220805, 261885, 288745, 309127, 332605, 356685, 366639, 404243, 611065, 662415, 750737, 866235, 927381, 997815, 1212729, 1545635, 1833195, 2021215, 2252211, 3753685, 4636905, 5255159, 6063645, 11261055, 15765477, 26275795, 78827385]

約数ペア:

[(1, 78827385), (3, 26275795), (5, 15765477), (7, 11261055), (13, 6063645), (15, 5255159), (17, 4636905), (21, 3753685), (35, 2252211), (39, 2021215), (43, 1833195), (51, 1545635), (65, 1212729), (79, 997815), (85, 927381), (91, 866235), (105, 750737), (119, 662415), (129, 611065), (195, 404243), (215, 366639), (221, 356685), (237, 332605), (255, 309127), (273, 288745), (301, 261885), (357, 220805), (395, 199563), (455, 173247), (553, 142545), (559, 141015), (595, 132483), (645, 122213), (663, 118895), (731, 107835), (903, 87295), (1027, 76755), (1105, 71337), (1185, 66521), (1343, 58695), (1365, 57749), (1505, 52377), (1547, 50955), (1659, 47515), (1677, 47005), (1785, 44161), (2193, 35945), (2765, 28509), (2795, 28203), (3081, 25585), (3315, 23779), (3397, 23205), (3655, 21567), (3913, 20145), (4029, 19565), (4515, 17459), (4641, 16985), (5117, 15405), (5135, 15351), (6715, 11739), (7189, 10965), (7735, 10191), (8295, 9503), (8385, 9401)]