64940256

素因数分解:

$2^5\times 3^2\times {\mathrm{443}}^1\times {\mathrm{509}}^1$

素因数の和:968

約数の個数: 72

約数和(自身を含む): 185454360

約数和(自身を除く): 120514104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 443, 509, 886, 1018, 1329, 1527, 1772, 2036, 2658, 3054, 3544, 3987, 4072, 4581, 5316, 6108, 7088, 7974, 8144, 9162, 10632, 12216, 14176, 15948, 16288, 18324, 21264, 24432, 31896, 36648, 42528, 48864, 63792, 73296, 127584, 146592, 225487, 450974, 676461, 901948, 1352922, 1803896, 2029383, 2705844, 3607792, 4058766, 5411688, 7215584, 8117532, 10823376, 16235064, 21646752, 32470128, 64940256]

約数ペア:

[(1, 64940256), (2, 32470128), (3, 21646752), (4, 16235064), (6, 10823376), (8, 8117532), (9, 7215584), (12, 5411688), (16, 4058766), (18, 3607792), (24, 2705844), (32, 2029383), (36, 1803896), (48, 1352922), (72, 901948), (96, 676461), (144, 450974), (288, 225487), (443, 146592), (509, 127584), (886, 73296), (1018, 63792), (1329, 48864), (1527, 42528), (1772, 36648), (2036, 31896), (2658, 24432), (3054, 21264), (3544, 18324), (3987, 16288), (4072, 15948), (4581, 14176), (5316, 12216), (6108, 10632), (7088, 9162), (7974, 8144)]