256023792

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{691}}^1$

素因数の和:819

約数の個数: 120

約数和(自身を含む): 749618688

約数和(自身を除く): 493594896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 83, 93, 124, 144, 166, 186, 248, 249, 279, 332, 372, 496, 498, 558, 664, 691, 744, 747, 996, 1116, 1328, 1382, 1488, 1494, 1992, 2073, 2232, 2573, 2764, 2988, 3984, 4146, 4464, 5146, 5528, 5976, 6219, 7719, 8292, 10292, 11056, 11952, 12438, 15438, 16584, 20584, 21421, 23157, 24876, 30876, 33168, 41168, 42842, 46314, 49752, 57353, 61752, 64263, 85684, 92628, 99504, 114706, 123504, 128526, 171368, 172059, 185256, 192789, 229412, 257052, 342736, 344118, 370512, 385578, 458824, 514104, 516177, 688236, 771156, 917648, 1028208, 1032354, 1376472, 1542312, 1777943, 2064708, 2752944, 3084624, 3555886, 4129416, 5333829, 7111772, 8258832, 10667658, 14223544, 16001487, 21335316, 28447088, 32002974, 42670632, 64005948, 85341264, 128011896, 256023792]

約数ペア:

[(1, 256023792), (2, 128011896), (3, 85341264), (4, 64005948), (6, 42670632), (8, 32002974), (9, 28447088), (12, 21335316), (16, 16001487), (18, 14223544), (24, 10667658), (31, 8258832), (36, 7111772), (48, 5333829), (62, 4129416), (72, 3555886), (83, 3084624), (93, 2752944), (124, 2064708), (144, 1777943), (166, 1542312), (186, 1376472), (248, 1032354), (249, 1028208), (279, 917648), (332, 771156), (372, 688236), (496, 516177), (498, 514104), (558, 458824), (664, 385578), (691, 370512), (744, 344118), (747, 342736), (996, 257052), (1116, 229412), (1328, 192789), (1382, 185256), (1488, 172059), (1494, 171368), (1992, 128526), (2073, 123504), (2232, 114706), (2573, 99504), (2764, 92628), (2988, 85684), (3984, 64263), (4146, 61752), (4464, 57353), (5146, 49752), (5528, 46314), (5976, 42842), (6219, 41168), (7719, 33168), (8292, 30876), (10292, 24876), (11056, 23157), (11952, 21421), (12438, 20584), (15438, 16584)]