64884820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1$

素因数の和:510

約数の個数: 144

約数和(自身を含む): 186617088

約数和(自身を除く): 121732268

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 49, 52, 55, 65, 70, 77, 91, 98, 110, 130, 140, 143, 154, 182, 196, 220, 245, 260, 286, 308, 364, 385, 455, 463, 490, 539, 572, 637, 715, 770, 910, 926, 980, 1001, 1078, 1274, 1430, 1540, 1820, 1852, 2002, 2156, 2315, 2548, 2695, 2860, 3185, 3241, 4004, 4630, 5005, 5093, 5390, 6019, 6370, 6482, 7007, 9260, 10010, 10186, 10780, 12038, 12740, 12964, 14014, 16205, 20020, 20372, 22687, 24076, 25465, 28028, 30095, 32410, 35035, 35651, 42133, 45374, 50930, 60190, 64820, 66209, 70070, 71302, 84266, 90748, 101860, 113435, 120380, 132418, 140140, 142604, 168532, 178255, 210665, 226870, 249557, 264836, 294931, 331045, 356510, 421330, 453740, 463463, 499114, 589862, 662090, 713020, 842660, 926926, 998228, 1179724, 1247785, 1324180, 1474655, 1853852, 2317315, 2495570, 2949310, 3244241, 4634630, 4991140, 5898620, 6488482, 9269260, 12976964, 16221205, 32442410, 64884820]

約数ペア:

[(1, 64884820), (2, 32442410), (4, 16221205), (5, 12976964), (7, 9269260), (10, 6488482), (11, 5898620), (13, 4991140), (14, 4634630), (20, 3244241), (22, 2949310), (26, 2495570), (28, 2317315), (35, 1853852), (44, 1474655), (49, 1324180), (52, 1247785), (55, 1179724), (65, 998228), (70, 926926), (77, 842660), (91, 713020), (98, 662090), (110, 589862), (130, 499114), (140, 463463), (143, 453740), (154, 421330), (182, 356510), (196, 331045), (220, 294931), (245, 264836), (260, 249557), (286, 226870), (308, 210665), (364, 178255), (385, 168532), (455, 142604), (463, 140140), (490, 132418), (539, 120380), (572, 113435), (637, 101860), (715, 90748), (770, 84266), (910, 71302), (926, 70070), (980, 66209), (1001, 64820), (1078, 60190), (1274, 50930), (1430, 45374), (1540, 42133), (1820, 35651), (1852, 35035), (2002, 32410), (2156, 30095), (2315, 28028), (2548, 25465), (2695, 24076), (2860, 22687), (3185, 20372), (3241, 20020), (4004, 16205), (4630, 14014), (5005, 12964), (5093, 12740), (5390, 12038), (6019, 10780), (6370, 10186), (6482, 10010), (7007, 9260)]