128478657672

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{3299}}^1\times {\mathrm{4129}}^1$

素因数の和:7571

約数の個数: 96

約数和(自身を含む): 350810460000

約数和(自身を除く): 222331802328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2358, 3144, 3299, 4129, 4716, 6598, 8258, 9432, 9897, 12387, 13196, 16516, 19794, 24774, 26392, 29691, 33032, 37161, 39588, 49548, 59382, 74322, 79176, 99096, 118764, 148644, 237528, 297288, 432169, 540899, 864338, 1081798, 1296507, 1622697, 1728676, 2163596, 2593014, 3245394, 3457352, 3889521, 4327192, 4868091, 5186028, 6490788, 7779042, 9736182, 10372056, 12981576, 13621571, 15558084, 19472364, 27243142, 31116168, 38944728, 40864713, 54486284, 81729426, 108972568, 122594139, 163458852, 245188278, 326917704, 490376556, 980753112, 1784425801, 3568851602, 5353277403, 7137703204, 10706554806, 14275406408, 16059832209, 21413109612, 32119664418, 42826219224, 64239328836, 128478657672]

約数ペア:

[(1, 128478657672), (2, 64239328836), (3, 42826219224), (4, 32119664418), (6, 21413109612), (8, 16059832209), (9, 14275406408), (12, 10706554806), (18, 7137703204), (24, 5353277403), (36, 3568851602), (72, 1784425801), (131, 980753112), (262, 490376556), (393, 326917704), (524, 245188278), (786, 163458852), (1048, 122594139), (1179, 108972568), (1572, 81729426), (2358, 54486284), (3144, 40864713), (3299, 38944728), (4129, 31116168), (4716, 27243142), (6598, 19472364), (8258, 15558084), (9432, 13621571), (9897, 12981576), (12387, 10372056), (13196, 9736182), (16516, 7779042), (19794, 6490788), (24774, 5186028), (26392, 4868091), (29691, 4327192), (33032, 3889521), (37161, 3457352), (39588, 3245394), (49548, 2593014), (59382, 2163596), (74322, 1728676), (79176, 1622697), (99096, 1296507), (118764, 1081798), (148644, 864338), (237528, 540899), (297288, 432169)]