81504696

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:653

約数の個数: 128

約数和(自身を含む): 254983680

約数和(自身を除く): 173478984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 67, 78, 84, 91, 104, 134, 156, 168, 182, 201, 268, 273, 312, 364, 402, 469, 536, 546, 557, 728, 804, 871, 938, 1092, 1114, 1407, 1608, 1671, 1742, 1876, 2184, 2228, 2613, 2814, 3342, 3484, 3752, 3899, 4456, 5226, 5628, 6097, 6684, 6968, 7241, 7798, 10452, 11256, 11697, 12194, 13368, 14482, 15596, 18291, 20904, 21723, 23394, 24388, 28964, 31192, 36582, 37319, 43446, 46788, 48776, 50687, 57928, 73164, 74638, 86892, 93576, 101374, 111957, 146328, 149276, 152061, 173784, 202748, 223914, 261233, 298552, 304122, 405496, 447828, 485147, 522466, 608244, 783699, 895656, 970294, 1044932, 1216488, 1455441, 1567398, 1940588, 2089864, 2910882, 3134796, 3396029, 3881176, 5821764, 6269592, 6792058, 10188087, 11643528, 13584116, 20376174, 27168232, 40752348, 81504696]

約数ペア:

[(1, 81504696), (2, 40752348), (3, 27168232), (4, 20376174), (6, 13584116), (7, 11643528), (8, 10188087), (12, 6792058), (13, 6269592), (14, 5821764), (21, 3881176), (24, 3396029), (26, 3134796), (28, 2910882), (39, 2089864), (42, 1940588), (52, 1567398), (56, 1455441), (67, 1216488), (78, 1044932), (84, 970294), (91, 895656), (104, 783699), (134, 608244), (156, 522466), (168, 485147), (182, 447828), (201, 405496), (268, 304122), (273, 298552), (312, 261233), (364, 223914), (402, 202748), (469, 173784), (536, 152061), (546, 149276), (557, 146328), (728, 111957), (804, 101374), (871, 93576), (938, 86892), (1092, 74638), (1114, 73164), (1407, 57928), (1608, 50687), (1671, 48776), (1742, 46788), (1876, 43446), (2184, 37319), (2228, 36582), (2613, 31192), (2814, 28964), (3342, 24388), (3484, 23394), (3752, 21723), (3899, 20904), (4456, 18291), (5226, 15596), (5628, 14482), (6097, 13368), (6684, 12194), (6968, 11697), (7241, 11256), (7798, 10452)]