81810456

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{797}}^1$

素因数の和:873

約数の個数: 128

約数和(自身を含む): 257402880

約数和(自身を除く): 175592424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 47, 52, 56, 78, 84, 91, 94, 104, 141, 156, 168, 182, 188, 273, 282, 312, 329, 364, 376, 546, 564, 611, 658, 728, 797, 987, 1092, 1128, 1222, 1316, 1594, 1833, 1974, 2184, 2391, 2444, 2632, 3188, 3666, 3948, 4277, 4782, 4888, 5579, 6376, 7332, 7896, 8554, 9564, 10361, 11158, 12831, 14664, 16737, 17108, 19128, 20722, 22316, 25662, 31083, 33474, 34216, 37459, 41444, 44632, 51324, 62166, 66948, 72527, 74918, 82888, 102648, 112377, 124332, 133896, 145054, 149836, 217581, 224754, 248664, 262213, 290108, 299672, 435162, 449508, 486967, 524426, 580216, 786639, 870324, 899016, 973934, 1048852, 1460901, 1573278, 1740648, 1947868, 2097704, 2921802, 3146556, 3408769, 3895736, 5843604, 6293112, 6817538, 10226307, 11687208, 13635076, 20452614, 27270152, 40905228, 81810456]

約数ペア:

[(1, 81810456), (2, 40905228), (3, 27270152), (4, 20452614), (6, 13635076), (7, 11687208), (8, 10226307), (12, 6817538), (13, 6293112), (14, 5843604), (21, 3895736), (24, 3408769), (26, 3146556), (28, 2921802), (39, 2097704), (42, 1947868), (47, 1740648), (52, 1573278), (56, 1460901), (78, 1048852), (84, 973934), (91, 899016), (94, 870324), (104, 786639), (141, 580216), (156, 524426), (168, 486967), (182, 449508), (188, 435162), (273, 299672), (282, 290108), (312, 262213), (329, 248664), (364, 224754), (376, 217581), (546, 149836), (564, 145054), (611, 133896), (658, 124332), (728, 112377), (797, 102648), (987, 82888), (1092, 74918), (1128, 72527), (1222, 66948), (1316, 62166), (1594, 51324), (1833, 44632), (1974, 41444), (2184, 37459), (2391, 34216), (2444, 33474), (2632, 31083), (3188, 25662), (3666, 22316), (3948, 20722), (4277, 19128), (4782, 17108), (4888, 16737), (5579, 14664), (6376, 12831), (7332, 11158), (7896, 10361), (8554, 9564)]