68971656

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 195592320

約数和(自身を除く): 126620664

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 53, 78, 86, 97, 104, 106, 129, 156, 159, 172, 194, 212, 258, 291, 312, 318, 344, 388, 424, 516, 559, 582, 636, 689, 776, 1032, 1118, 1164, 1261, 1272, 1378, 1677, 2067, 2236, 2279, 2328, 2522, 2756, 3354, 3783, 4134, 4171, 4472, 4558, 5044, 5141, 5512, 6708, 6837, 7566, 8268, 8342, 9116, 10088, 10282, 12513, 13416, 13674, 15132, 15423, 16536, 16684, 18232, 20564, 25026, 27348, 29627, 30264, 30846, 33368, 41128, 50052, 54223, 54696, 59254, 61692, 66833, 88881, 100104, 108446, 118508, 123384, 133666, 162669, 177762, 200499, 216892, 221063, 237016, 267332, 325338, 355524, 400998, 433784, 442126, 534664, 650676, 663189, 711048, 801996, 884252, 1301352, 1326378, 1603992, 1768504, 2652756, 2873819, 5305512, 5747638, 8621457, 11495276, 17242914, 22990552, 34485828, 68971656]

約数ペア:

[(1, 68971656), (2, 34485828), (3, 22990552), (4, 17242914), (6, 11495276), (8, 8621457), (12, 5747638), (13, 5305512), (24, 2873819), (26, 2652756), (39, 1768504), (43, 1603992), (52, 1326378), (53, 1301352), (78, 884252), (86, 801996), (97, 711048), (104, 663189), (106, 650676), (129, 534664), (156, 442126), (159, 433784), (172, 400998), (194, 355524), (212, 325338), (258, 267332), (291, 237016), (312, 221063), (318, 216892), (344, 200499), (388, 177762), (424, 162669), (516, 133666), (559, 123384), (582, 118508), (636, 108446), (689, 100104), (776, 88881), (1032, 66833), (1118, 61692), (1164, 59254), (1261, 54696), (1272, 54223), (1378, 50052), (1677, 41128), (2067, 33368), (2236, 30846), (2279, 30264), (2328, 29627), (2522, 27348), (2756, 25026), (3354, 20564), (3783, 18232), (4134, 16684), (4171, 16536), (4472, 15423), (4558, 15132), (5044, 13674), (5141, 13416), (5512, 12513), (6708, 10282), (6837, 10088), (7566, 9116), (8268, 8342)]