261969696

素因数分解:

$2^5\times 3^2\times {\mathrm{223}}^1\times {\mathrm{4079}}^1$

素因数の和:4318

約数の個数: 72

約数和(自身を含む): 748500480

約数和(自身を除く): 486530784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 223, 288, 446, 669, 892, 1338, 1784, 2007, 2676, 3568, 4014, 4079, 5352, 7136, 8028, 8158, 10704, 12237, 16056, 16316, 21408, 24474, 32112, 32632, 36711, 48948, 64224, 65264, 73422, 97896, 130528, 146844, 195792, 293688, 391584, 587376, 909617, 1174752, 1819234, 2728851, 3638468, 5457702, 7276936, 8186553, 10915404, 14553872, 16373106, 21830808, 29107744, 32746212, 43661616, 65492424, 87323232, 130984848, 261969696]

約数ペア:

[(1, 261969696), (2, 130984848), (3, 87323232), (4, 65492424), (6, 43661616), (8, 32746212), (9, 29107744), (12, 21830808), (16, 16373106), (18, 14553872), (24, 10915404), (32, 8186553), (36, 7276936), (48, 5457702), (72, 3638468), (96, 2728851), (144, 1819234), (223, 1174752), (288, 909617), (446, 587376), (669, 391584), (892, 293688), (1338, 195792), (1784, 146844), (2007, 130528), (2676, 97896), (3568, 73422), (4014, 65264), (4079, 64224), (5352, 48948), (7136, 36711), (8028, 32632), (8158, 32112), (10704, 24474), (12237, 21408), (16056, 16316)]