90721540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7121}}^1$

素因数の和:7157

約数の個数: 72

約数和(自身を含む): 238700952

約数和(自身を除く): 147979412

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 7121, 12740, 14242, 28484, 35605, 49847, 71210, 92573, 99694, 142420, 185146, 199388, 249235, 348929, 370292, 462865, 498470, 648011, 697858, 925730, 996940, 1296022, 1395716, 1744645, 1851460, 2592044, 3240055, 3489290, 4536077, 6480110, 6978580, 9072154, 12960220, 18144308, 22680385, 45360770, 90721540]

約数ペア:

[(1, 90721540), (2, 45360770), (4, 22680385), (5, 18144308), (7, 12960220), (10, 9072154), (13, 6978580), (14, 6480110), (20, 4536077), (26, 3489290), (28, 3240055), (35, 2592044), (49, 1851460), (52, 1744645), (65, 1395716), (70, 1296022), (91, 996940), (98, 925730), (130, 697858), (140, 648011), (182, 498470), (196, 462865), (245, 370292), (260, 348929), (364, 249235), (455, 199388), (490, 185146), (637, 142420), (910, 99694), (980, 92573), (1274, 71210), (1820, 49847), (2548, 35605), (3185, 28484), (6370, 14242), (7121, 12740)]