640962288

素因数分解:

$2^4\times 3^3\times {\mathrm{17}}^1\times {\mathrm{87277}}^1$

素因数の和:87311

約数の個数: 80

約数和(自身を含む): 1948044960

約数和(自身を除く): 1307082672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 34, 36, 48, 51, 54, 68, 72, 102, 108, 136, 144, 153, 204, 216, 272, 306, 408, 432, 459, 612, 816, 918, 1224, 1836, 2448, 3672, 7344, 87277, 174554, 261831, 349108, 523662, 698216, 785493, 1047324, 1396432, 1483709, 1570986, 2094648, 2356479, 2967418, 3141972, 4189296, 4451127, 4712958, 5934836, 6283944, 8902254, 9425916, 11869672, 12567888, 13353381, 17804508, 18851832, 23739344, 26706762, 35609016, 37703664, 40060143, 53413524, 71218032, 80120286, 106827048, 160240572, 213654096, 320481144, 640962288]

約数ペア:

[(1, 640962288), (2, 320481144), (3, 213654096), (4, 160240572), (6, 106827048), (8, 80120286), (9, 71218032), (12, 53413524), (16, 40060143), (17, 37703664), (18, 35609016), (24, 26706762), (27, 23739344), (34, 18851832), (36, 17804508), (48, 13353381), (51, 12567888), (54, 11869672), (68, 9425916), (72, 8902254), (102, 6283944), (108, 5934836), (136, 4712958), (144, 4451127), (153, 4189296), (204, 3141972), (216, 2967418), (272, 2356479), (306, 2094648), (408, 1570986), (432, 1483709), (459, 1396432), (612, 1047324), (816, 785493), (918, 698216), (1224, 523662), (1836, 349108), (2448, 261831), (3672, 174554), (7344, 87277)]